How To Fix /SAPAPO/CUIB1003 - Variant class with the internal number &1 does not exist

/SAPAPO/CUIB1003 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CUIB1 -

• Message number: 003

• Message text: Variant class with the internal number &1 does not exist

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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/SAPAPO/CUIB1003 - Details

• The SAP error message /SAPAPO/CUIB1003 Variant class with the internal number &1 does not exist typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is unable to find a variant class that is referenced in a planning function or a similar context. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Non-Existent Variant Class: The variant class with the specified internal number does not exist in the system. This could be due to deletion or it was never created.
  Incorrect Configuration: The configuration or settings in the planning function or the application might be pointing to an incorrect or outdated variant class.
  Transport Issues: If the variant class was created in a different system (e.g., development) and not transported correctly to the target system (e.g., production), it may not exist in the target environment.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to