Can you please help me out of this, i am getting below error while creating case in crm. Please find the attached file of input signature and c# code.
"Message": "An error occurred in the Create TAT plug-in.An error occurred in the Create TAT Escalation plug-in.The given key was not present in the dictionary.\r\n at System.Collections.Generic.Dictionary`2.get_Item(TKey key)\r\n at Microsoft.Crm.Sdk.CreateTAT.IFL_CreateTAT.CreateTATTracking(Guid id, IOrganizationService service, IPluginExecutionContext context, Entity entity, Int32 SRStatus, EntityReference businessunit)\r\n at Microsoft.Crm.Sdk.CreateTAT.IFL_CreateTAT.CreateTATTracking(Guid id, IOrganizationService service, IPluginExecutionContext context, Entity entity, Int32 SRStatus, EntityReference businessunit)\r\n at Microsoft.Crm.Sdk.CreateTAT.IFL_CreateTAT.Execute(IServiceProvider serviceProvider)\r\n
Server stack trace: \r\n at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)\r\n at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)\r\n at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)\r\n at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)\r\n\r\nException rethrown at [0]: \r\n at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)\r\n at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)\r\n at Microsoft.Xrm.Sdk.IOrganizationService.Create(Entity entity)\r\n at Microsoft.Xrm.Sdk.Client.OrganizationServiceProxy.CreateCore(Entity entity)\r\n at Microsoft.Xrm.Sdk.Client.OrganizationServiceProxy.Create(Entity entity)\r\n at CRMService.Controllers.CRMController.PostCase(ClsCase caseDetails) in e:\CRMService\CRMService\Controllers\CRMController.cs:line 410