How To Fix /SAPAPO/RET_MESSAGES126 - Last visible restriction group cannot be deleted

/SAPAPO/RET_MESSAGES126 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RET_MESSAGES -

• Message number: 126

• Message text: Last visible restriction group cannot be deleted

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RET_MESSAGES126 - Last visible restriction group cannot be deleted ?

  The SAP error message /SAPAPO/RET_MESSAGES126 indicates that there is an attempt to delete the last visible restriction group in the system, which is not allowed. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with restriction groups in the context of planning or forecasting.
  
  Cause:
  The primary cause of this error is that the system is trying to delete a restriction group that is still in use or is the last remaining visible restriction group. In SAP APO, restriction groups are used to define specific conditions or constraints for planning processes. If a restriction group is the last one visible, the system prevents its deletion to maintain data integrity and ensure that there is at least one restriction group available for planning.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Restriction Groups: Verify the existing restriction groups in the system. Ensure that