Dynamics Community Forum Thread Details

i am getting error when I create a contact based on account.

dear sir,please error log.

Unhandled exception: 
Exception type: System.ServiceModel.FaultException`1[Microsoft.Xrm.Sdk.OrganizationServiceFault]
Message: An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):  WordCountWorkflow.WordCount: System.NullReferenceException: Object reference not set to an instance of an object.Detail: 

  6dff47fa-52ef-4fd3-93c0-47cc509ec6de
  -2147220891
  
    
      ApiExceptionSourceKey
      Plugin/$Microsoft.Crm.Workflow.Services.ProxyCustomActivity
    
    
      ApiOriginalExceptionKey
      Microsoft.Crm.CrmException: An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):  WordCountWorkflow.WordCount: System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.Crm.Sandbox.SandboxCodeUnit.ProcessException(Exception originalException, IExecutionContext context, SandboxClient client, SandboxCallTracker callTracker, Boolean isSafeToRetry, DateTime performanceExecutionStartTime, SandboxTracker tracker, Guid parentExecutionId, CrmException& crmException, String& assemblyContents)
   at Microsoft.Crm.Sandbox.SandboxCodeUnit.<>c__DisplayClass24_0.b__0()
   at Microsoft.PowerApps.CoreFramework.ActivityLoggerExtensions.Execute(ILogger logger, EventId eventId, ActivityType activityType, Action action, IEnumerable`1 additionalCustomProperties)
   at Microsoft.Xrm.Telemetry.XrmTelemetryExtensions.Execute(ILogger logger, XrmTelemetryActivityType activityType, Action action)
   at Microsoft.Xrm.RemotePlugin.CrmProvider.RemotePlugin.CDSExecute(IServiceProvider serviceProvider)
   at Microsoft.Crm.Workflow.Services.ProxyCustomActivity.Execute(CodeActivityContext executionContext)
    
    
      ApiStepKey
      3be440b7-c633-ea11-a813-000d3af270de
    
    
      ApiDepthKey
      2
    
    
      ApiActivityIdKey
      4e2da93c-def1-4ec7-bfad-dae5903b1fb6
    
    
      ApiPluginSolutionNameKey
      System
    
    
      ApiStepSolutionNameKey
      System
    
    
      ApiExceptionCategory
      ClientError
    
    
      ApiExceptionMesageName
      IsvUnExpected
    
    
      ApiExceptionHttpStatusCode
      400
    
    
      OperationStatus
      0
    
    
      SubErrorCode
      -2146233088
    
  
  http://go.microsoft.com/fwlink/?LinkID=398563&error=Microsoft.Crm.CrmException:80040265&client=platform
  An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):  WordCountWorkflow.WordCount: System.NullReferenceException: Object reference not set to an instance of an object.
  2020-01-16T14:26:34.201675Z
  false
  
  
  
  

[ClassLibrary2: ClassLibrary2.Class1]
[7012e08a-c137-ea11-a813-000d3af270de: ClassLibrary2.Class1: Create of account]

	
	[Microsoft.Crm.ObjectModel: Microsoft.Crm.ObjectModel.SyncWorkflowExecutionPlugin]
	[3be440b7-c633-ea11-a813-000d3af270de: ]
	Starting sync workflow 'shan', Id: 34e440b7-c633-ea11-a813-000d3af270de
	Entering CustomActivityStep1_step: 
	Sync workflow 'shan' terminated with error 'An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):  WordCountWorkflow.WordCount: System.NullReferenceException: Object reference not set to an instance of an object.'

ing System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Xrm.Sdk;



namespace ClassLibrary2
{
    public class Class1 : IPlugin
    {
        public object Account { get; private set; }

        public void Execute(IServiceProvider serviceProvider)
        {

            //Extract the tracing service for use in debugging sandboxed plug-ins.
            ITracingService tracingService =
            (ITracingService)serviceProvider.GetService(typeof(ITracingService));

            // Obtain the execution context from the service provider.
            IPluginExecutionContext context = (IPluginExecutionContext)
            serviceProvider.GetService(typeof(IPluginExecutionContext));

            // Obtain the organization service reference.
            IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));

            IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);

            if (context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity)

            {
                Entity account = (Entity)context.InputParameters["Target"];
                Entity contact = new Entity("contact");
                contact.Attributes["firstname"] = account.Attributes["name"];
                Guid contactid = service.Create(contact);
                account.Attributes["primarycontactid"] = new EntityReference("contact", contactid);

            }
        }
    }
}