i have created my custom task form. I have created three buttons in task form 1) Approve 2) Reject and 3) Resubmit. and i m using custom task form in stead of share point task form . i want to create new task for workflow initiator on the click of Resubmit button control. i m facing error currently "error occurred" in workflow outcome.
i m getting exception which is defined below.
"
09/09/2015 10:08:44.25 w3wp.exe (0x256C) 0x0FE4SharePoint Foundation Legacy Workflow Infrastructure88xrUnexpectedWinWF Internal Error, terminating workflow Id# 8a42d05e-859e-46c9-868a-c3aa110584d12d292c9d-377a-003f-b4e6-cd0cd760430409/09/2015 10:08:44.27 w3wp.exe (0x256C) 0x0FE4SharePoint Foundation Legacy Workflow Infrastructure98d4UnexpectedSystem.InvalidOperationException: Correlation value on declaration "taskToken" is already initialized. at System.Workflow.Runtime.CorrelationToken.Initialize(Activity activity, ICollection`1 propertyValues) at System.Workflow.Activities.CallExternalMethodActivity.Execute(ActivityExecutionContext executionContext) at System.Workflow.ComponentModel.ActivityExecutor`1.Execute(T activity, ActivityExecutionContext executionContext) at System.Workflow.ComponentModel.ActivityExecutorOperation.Run(IWorkflowCoreRuntime workflowCoreRuntime) at System.Workflow.Runtime.Scheduler.Run()2d292c9d-377a-003f-b4e6-cd0cd7604304
"
What is the proper solution for this issue ? i am not getting any way o resolve it.
Thanks in advance.