Workflow is not working for perticular User

I am using SharePoint 2013.

Site Workflow is not working for a perticular user (User Already have Full Control Access on Site).

Except one user, Workflow is Working.

Error Message: Details: An unhandled exception occurred during the execution of the workflow instance. System.UnauthorizedAccessException",
"message": Access denied. You do not have permission to perform this  action or access this resource.

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