How To Fix 9J391 - Activity type & is not supported for completing existing documents

9J391 - Overview

• Message type: E = Error

• Message class: 9J -

• Message number: 391

• Message text: Activity type & is not supported for completing existing documents

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 9J391 - Activity type & is not supported for completing existing documents ?

  The SAP error message 9J391 indicates that the specified activity type is not supported for completing existing documents. This error typically arises in the context of project management or controlling modules, particularly when dealing with activity types in cost planning or project execution.
  
  Cause:
  The error can occur due to several reasons:
  
  Activity Type Configuration: The activity type may not be configured correctly in the system. It might not be set up to allow for the completion of existing documents.
  Document Status: The document you are trying to complete may be in a status that does not allow for the completion of the specified activity type.
  Authorization Issues: The user may not have the necessary authorizations to complete the activity type for the existing documents.
  Incompatibility: The activity type may not be compatible with the type of document you are trying to complete (e.g., it may be restricted to certain project types or phases).
  
  
  Solution:
  To resolve the