How To Fix IWB_MPS128 - The release you want to reassign must not be selected

IWB_MPS128 - Overview

• Message type: E = Error

• Message class: IWB_MPS - Messages for Multi-Product Support

• Message number: 128

• Message text: The release you want to reassign must not be selected

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 IWB_MPS128 - The release you want to reassign must not be selected ?

  The SAP error message IWB_MPS128 ("The release you want to reassign must not be selected") typically occurs in the context of managing releases in the SAP system, particularly when dealing with the reassignment of releases in the context of production planning or similar processes.
  
  Cause:
  This error usually arises when you attempt to reassign a release that is currently selected or in use. The system does not allow reassignment of a release that is actively being processed or has been marked for selection in the current session. This can happen if:
  
  The release is currently being processed or is locked by another user.
  The release is part of a selection set that is currently active.
  There are inconsistencies in the data or the state of the release.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Selection Status: Ensure that the release you are trying to reassign is not currently selected. You may need to