How To Fix /SAPAPO/OM_TEST221 - Interface test: Unknown routine called

/SAPAPO/OM_TEST221 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM_TEST -

• Message number: 221

• Message text: Interface test: Unknown routine called

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 /SAPAPO/OM_TEST221 - Interface test: Unknown routine called ?

  The SAP error message /SAPAPO/OM_TEST221 Interface test: Unknown routine called typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the interface routines being called during a planning run or test.
  
  Cause:
  
  
  Missing or Incorrect Routine: The error usually indicates that the system is trying to call a routine that does not exist or is not correctly defined in the system. This could be due to:
  
  The routine was deleted or not activated.
  The routine name is misspelled or incorrectly referenced in the configuration.
  The routine is not included in the relevant planning book or data view.
  
  
  
  
  Configuration Issues: There may be issues in the configuration settings where the routine is supposed to be linked to a specific planning function or process.
  
  
  Transport Issues: If the routine was recently transported from another system, it may not have been transported correctly, leading to missing components.
  
  
  
  Solution:
  
  
  Check Routine Definition:
  
  Go to the transaction