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    Nintex Knowledge Base

    Error "Resume this workflow ... Exception details: System.ArgumentException: AssignedTo at"

    Status: Validated

    ISSUE
    In Office 365, when running a workflow that creates a task, the workflow might suspend when creating the task and the following error might appear in Details:

    Resume this workflow <javascript:ResumeWorkflow4('4a719552-bc96-4531-93ca-5c210677a74e');> RequestorId: 96e1442d-d3c3-c868-0000-000000000000.
    Details: An unhandled exception occurred during the execution of the workflow instance. Exception details: System.ArgumentException: AssignedTo at
    ERROR CODE
    RESOLUTION
    1. Review the Assignee in the Task and ensure the variable is in working order.
    2. Delete the variable and publish,
    3. In the workflow, add the variable and publish.
    ADDITIONAL INFORMATION
    This will happen if the variable is misconfigured or is not properly referencing the assignee 
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