How To Fix PPESNP031 - The activity &1 already exists with a different internal key

PPESNP031 - Overview

• Message type: E = Error

• Message class: PPESNP - Message Class for SNP Routing

• Message number: 031

• Message text: The activity &1 already exists with a different internal key

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 PPESNP031 - The activity &1 already exists with a different internal key ?

  The SAP error message PPESNP031, which states "The activity &1 already exists with a different internal key," typically occurs in the context of SAP Production Planning (PP) or Project System (PS) modules. This error indicates that there is an attempt to create or modify an activity that already exists in the system but is associated with a different internal key.
  
  Cause:
  
  
  Duplicate Activity: The activity you are trying to create or modify already exists in the system, but it is linked to a different internal key. This can happen if:
  
  You are trying to create an activity with the same identifier (e.g., activity number) as an existing one.
  There is a mismatch in the internal keys due to data inconsistencies or errors during data migration or import.
  
  
  
  Data Migration Issues: If data has been migrated from another system or if there have been changes in the configuration, it may lead to conflicts in the internal