How To Fix /SAPAPO/MCPSH_SEL078 - Error when calling a user exit

/SAPAPO/MCPSH_SEL078 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MCPSH_SEL -

• Message number: 078

• Message text: Error when calling a user exit

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/MCPSH_SEL078 - Details

• The SAP error message /SAPAPO/MCPSH_SEL078 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue related to a user exit during the execution of a planning function or process. This error can arise due to various reasons, including incorrect implementation of the user exit, missing data, or issues with the configuration.
  
  Cause:
  
  User Exit Implementation: The user exit may not be implemented correctly, leading to unexpected behavior or errors during execution.
  Data Issues: There may be missing or inconsistent data that the user exit expects to process.
  Configuration Problems: Incorrect configuration settings in the APO system can lead to this error.
  Code Errors: There might be syntax errors or logical errors in the ABAP code of the user exit.
  
  
  Solution:
  
  
  Check User Exit Implementation:
  
  Review the code in the user exit to ensure it is implemented correctly.
  Make sure that all necessary data is being passed to the user exit and that