Failed Jobs

Enqueued 1 / 3 Scheduled 16 Processing 2 Succeeded 1,180,066 Failed 7,849 Deleted 13,991 Awaiting 0

Failed jobs do not become expired to allow you to re-queue them without any time pressure. You should re-queue or delete them manually, or apply AutomaticRetry(OnAttemptsExceeded = AttemptsExceededAction.Delete) attribute to delete them automatically.

Id	Job	Failed
#1166874	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during performance of the job. Fewer details...	1/12/2026 8:07:17 PM
#1166874	Newtonsoft.Json.JsonSerializationException Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1696. Newtonsoft.Json.JsonSerializationException: Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1696. ---> System.InvalidCastException: Null object cannot be converted to a value type. at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) --- End of inner exception stack trace --- at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent) at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType, JsonSerializer jsonSerializer) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject[T]() at System.Linq.Enumerable.SelectListIterator`2.ToList() at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.UpdateOfflineSubmitEntries() in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 438 at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 71 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
#1166861	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during performance of the job. More details...	1/12/2026 7:37:57 PM
#1166861	Newtonsoft.Json.JsonSerializationException Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1817. Newtonsoft.Json.JsonSerializationException: Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1817. ---> System.InvalidCastException: Null object cannot be converted to a value type. at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) --- End of inner exception stack trace --- at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent) at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType, JsonSerializer jsonSerializer) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject[T]() at System.Linq.Enumerable.SelectListIterator`2.ToList() at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.UpdateOfflineSubmitEntries() in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 438 at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 71 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
#1166841	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during performance of the job. More details...	1/12/2026 7:06:40 PM
#1166841	System.NullReferenceException Object reference not set to an instance of an object. System.NullReferenceException: Object reference not set to an instance of an object. at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.SendBulkTimeEntriesTo3E(IEnumerable`1 timeEntries, PerformContext performContext) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 345 at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 70 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
#1166821	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during performance of the job. More details...	1/12/2026 6:40:23 PM
#1166821	System.NullReferenceException Object reference not set to an instance of an object. System.NullReferenceException: Object reference not set to an instance of an object. at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.SendBulkTimeEntriesTo3E(IEnumerable`1 timeEntries, PerformContext performContext) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 345 at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 70 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
#1166806	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during processing of a background job. More details...	1/12/2026 6:13:01 PM
#1166806	System.InvalidOperationException A suitable constructor for type 'AG.A1.Scheduler.Billing.Contracts.IOfflineTimeCommitTo3ECommandHandler' could not be located. Ensure the type is concrete and all parameters of a public constructor are either registered as services or passed as arguments. Also ensure no extraneous arguments are provided. System.InvalidOperationException: A suitable constructor for type 'AG.A1.Scheduler.Billing.Contracts.IOfflineTimeCommitTo3ECommandHandler' could not be located. Ensure the type is concrete and all parameters of a public constructor are either registered as services or passed as arguments. Also ensure no extraneous arguments are provided. at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.CreateInstance(IServiceProvider provider, Type instanceType, Object[] parameters) at Hangfire.Server.CoreBackgroundJobPerformer.Perform(PerformContext context) at Hangfire.Server.BackgroundJobPerformer.<>c__DisplayClass9_0.<PerformJobWithFilters>b__0() at Hangfire.Server.BackgroundJobPerformer.InvokePerformFilter(IServerFilter filter, PerformingContext preContext, Func`1 continuation) at Hangfire.Server.BackgroundJobPerformer.InvokePerformFilter(IServerFilter filter, PerformingContext preContext, Func`1 continuation) at Hangfire.Server.BackgroundJobPerformer.PerformJobWithFilters(PerformContext context, IEnumerable`1 filters) at Hangfire.Server.BackgroundJobPerformer.Perform(PerformContext context) at Hangfire.Server.Worker.PerformJob(BackgroundProcessContext context, IStorageConnection connection, String jobId)
#1166793	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during performance of the job. More details...	1/12/2026 5:34:45 PM
#1166793	Newtonsoft.Json.JsonSerializationException Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1702. Newtonsoft.Json.JsonSerializationException: Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1702. ---> System.InvalidCastException: Null object cannot be converted to a value type. at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) --- End of inner exception stack trace --- at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent) at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType, JsonSerializer jsonSerializer) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject[T]() at System.Linq.Enumerable.SelectListIterator`2.ToList() at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.UpdateOfflineSubmitEntries() in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 438 at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 71 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
#1166772	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during processing of a background job. More details...	1/12/2026 5:07:48 PM
#1166772	System.InvalidOperationException A suitable constructor for type 'AG.A1.Scheduler.Billing.Contracts.IOfflineTimeCommitTo3ECommandHandler' could not be located. Ensure the type is concrete and all parameters of a public constructor are either registered as services or passed as arguments. Also ensure no extraneous arguments are provided. System.InvalidOperationException: A suitable constructor for type 'AG.A1.Scheduler.Billing.Contracts.IOfflineTimeCommitTo3ECommandHandler' could not be located. Ensure the type is concrete and all parameters of a public constructor are either registered as services or passed as arguments. Also ensure no extraneous arguments are provided. at Microsoft.Extensions.DependencyInjection.ActivatorUtilities.CreateInstance(IServiceProvider provider, Type instanceType, Object[] parameters) at Hangfire.Server.CoreBackgroundJobPerformer.Perform(PerformContext context) at Hangfire.Server.BackgroundJobPerformer.<>c__DisplayClass9_0.<PerformJobWithFilters>b__0() at Hangfire.Server.BackgroundJobPerformer.InvokePerformFilter(IServerFilter filter, PerformingContext preContext, Func`1 continuation) at Hangfire.Server.BackgroundJobPerformer.InvokePerformFilter(IServerFilter filter, PerformingContext preContext, Func`1 continuation) at Hangfire.Server.BackgroundJobPerformer.PerformJobWithFilters(PerformContext context, IEnumerable`1 filters) at Hangfire.Server.BackgroundJobPerformer.Perform(PerformContext context) at Hangfire.Server.Worker.PerformJob(BackgroundProcessContext context, IStorageConnection connection, String jobId)
#1166749	IOfflineCommitLeadToSF.Run An exception occurred during performance of the job. More details...	1/12/2026 4:33:45 PM
#1166749	System.Net.Http.HttpRequestException Request failed with status code BadRequest System.Net.Http.HttpRequestException: Request failed with status code BadRequest at AG.A1.Framework.Rest.RESTClient.HandleResponse[T](RestResponse restResponse) in C:\Users\rkuruvilla\Source\Repos\alliantOne\A1Solution\src-framework\AG.A1.Framework\Rest\RESTClient.cs:line 392 at AG.A1.Framework.Rest.RESTClient.ExecutePOSTAsync[T](IRESTEndpoint apiEndpoint, IDictionary`2 headers, IDictionary`2 bodyParameters, IDictionary`2 urlParameters, Nullable`1 requestDataFormat, Nullable`1 responseDataFormat) in C:\Users\rkuruvilla\Source\Repos\alliantOne\A1Solution\src-framework\AG.A1.Framework\Rest\RESTClient.cs:line 281 at AG.Integrations.RESTClients.SalesforceREST.SalesforceApiClientController.GetToken() in C:\Users\rkuruvilla\Source\Repos\alliantOne\A1Solution\src-integrations\AG.Integrations.RESTClients\SalesforceREST\SalesforceApiClientController.cs:line 41 at AG.A1.Scheduler.Project.Application.Helpers.SalesforceHelper.CreateLead(Lead lead, Boolean bypassTokenValidation) in C:\Users\rkuruvilla\Source\Repos\alliantOne\A1Solution\src-schedulers\AG.A1.Scheduler.Project.Application\Helpers\SalesforceHelper.cs:line 72 at AG.A1.Scheduler.Project.Application.Features.LeadToSF.Commands.OfflineCommitLeadToSFCommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\Users\rkuruvilla\Source\Repos\alliantOne\A1Solution\src-schedulers\AG.A1.Scheduler.Project.Application\Features\LeadToSF\Commands\OfflineCommitLeadToSFCommandHandler.cs:line 50 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
#1166748	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during performance of the job. More details...	1/12/2026 12:16:16 PM
#1166748	System.NullReferenceException Object reference not set to an instance of an object. System.NullReferenceException: Object reference not set to an instance of an object. at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.SendBulkTimeEntriesTo3E(IEnumerable`1 timeEntries, PerformContext performContext) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 345 at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 70 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
#1166729	IOfflineTimeCommitTo3ECommandHandler.Run An exception occurred during performance of the job. More details...	1/12/2026 4:09:26 PM
#1166729	Newtonsoft.Json.JsonSerializationException Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1616. Newtonsoft.Json.JsonSerializationException: Error converting value {null} to type 'System.Int32'. Path 'GroupFeeUserId', line 1, position 1616. ---> System.InvalidCastException: Null object cannot be converted to a value type. at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) --- End of inner exception stack trace --- at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent) at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType, JsonSerializer jsonSerializer) at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType) at Newtonsoft.Json.Linq.JToken.ToObject[T]() at System.Linq.Enumerable.SelectListIterator`2.ToList() at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.UpdateOfflineSubmitEntries() in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 438 at AG.A1.Scheduler.Billing.Application.Features.CommitTimeTo3E.Commands.OfflineTimeCommitTo3ECommandHandler.Run(PerformContext performContext, IJobCancellationToken cancellationToken) in C:\agent\_work\1\s\A1Solution\src-schedulers\AG.A1.Scheduler.Billing.Application\Features\CommitTimeTo3E\Commands\OfflineTimeCommitTo3ECommandHandler.cs:line 71 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

Newtonsoft.Json.JsonSerializationException

Newtonsoft.Json.JsonSerializationException

System.NullReferenceException

System.NullReferenceException

System.InvalidOperationException

Newtonsoft.Json.JsonSerializationException

System.InvalidOperationException

System.Net.Http.HttpRequestException

System.NullReferenceException

Newtonsoft.Json.JsonSerializationException