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

SAP Error Message - Details

• 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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 code /SAPAPO/OM_ORDER or /SAPAPO/OM_ROUTINE to check if the routine exists.
  Verify that the routine is correctly defined and activated.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the relevant planning book or data view to ensure that the routine is correctly referenced.
  Ensure that the routine is assigned to the correct planning function.
  
  
  
  Check for Typos:
  
  Review the code or configuration for any typographical errors in the routine name.
  
  
  
  Transport Check:
  
  If the routine was recently transported, ensure that all necessary components were included in the transport request.
  Check the transport logs for any errors or warnings related to the routine.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints in the relevant routines to see where the call fails and gather more information about the context of the error.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of APO you are using for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to this error message. SAP frequently updates their knowledge base with solutions for common issues.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered the same issue.
  SAP Support: If the issue persists and you have a support contract, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.