How To Fix /SAPAPO/RRP_CUST001 - You cannot change the default exception group 999

/SAPAPO/RRP_CUST001 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RRP_CUST -

• Message number: 001

• Message text: You cannot change the default exception group 999

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/RRP_CUST001 - You cannot change the default exception group 999 ?

  The SAP error message /SAPAPO/RRP_CUST001 indicates that you are trying to change the default exception group (in this case, group 999) in the SAP Advanced Planning and Optimization (APO) module, which is not allowed. The default exception group is typically predefined and cannot be modified directly.
  
  Cause:
  
  Default Exception Group: The exception group 999 is a default group that is used by the system for specific purposes, and SAP restricts changes to this group to maintain system integrity and consistency.
  User Permissions: The user may not have the necessary permissions to modify exception groups.
  System Configuration: The system may be configured in such a way that certain exception groups are locked for changes.
  
  
  Solution:
  
  
  Use a Custom Exception Group: Instead of trying to modify the default exception group 999, create a new custom exception group. You can do this by:
  
  Navigating to the relevant configuration area in SAP APO.
  Creating a new exception group and defining the exceptions