How To Fix UCS0187 - Unblock is not possible; sign-off task &1 already triggered

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 187

• Message text: Unblock is not possible; sign-off task &1 already triggered

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UCS0187 - Unblock is not possible; sign-off task &1 already triggered ?

  The SAP error message UCS0187, which states "Unblock is not possible; sign-off task &1 already triggered," typically occurs in the context of user management and authorization processes within SAP systems. This error indicates that an attempt to unblock a user or a task cannot be completed because a sign-off task has already been initiated for that user.
  
  Cause:
  
  Concurrent Processes: The error usually arises when there are concurrent processes trying to modify the same user status. For example, if a user is being blocked or unblocked while a sign-off task is already in progress, the system will prevent further changes to avoid inconsistencies.
  Workflow Issues: If there is a workflow or approval process that has been triggered for the user, it may lock the user status until the workflow is completed.
  Authorization Management: The error can also occur in scenarios where there are pending tasks related to user authorizations that need to be resolved