How To Fix /SAPAPO/CIF026 - Error when calling function module &1: Error code &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CIF -

• Message number: 026

• Message text: Error when calling function module &1: Error code &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CIF026 - Error when calling function module &1: Error code &2 ?

  The SAP error message /SAPAPO/CIF026 typically occurs in the context of the Core Interface (CIF) when there is an issue with the data transfer between SAP Advanced Planning and Optimization (APO) and the SAP ERP system. This error indicates that there was a problem when calling a specific function module, and it provides an error code that can help diagnose the issue.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  
  Data Inconsistencies: There may be inconsistencies in the data being transferred between the systems, such as missing or incorrect master data (e.g., materials, plants, etc.).
  
  
  Configuration Issues: The CIF configuration might not be set up correctly, leading to issues in data transfer.
  
  
  Function Module Errors: The specific function module being called may have its own issues, such as being unable to process the data due to business logic or constraints.
  
  
  Authorization Issues: The user or system may not have the necessary authorizations to execute the function module.
  
  
  System Performance: Performance issues in either the APO or ERP system can lead to timeouts or failures in processing.
  
  
  Solution:
  To resolve the /SAPAPO/CIF026 error, you can follow these steps:
  
  
  Check the Error Code: The error message includes an error code (&2). Look up this error code in the SAP documentation or transaction codes like SE37 (Function Module) to understand the specific issue.
  
  
  Review CIF Configuration: Ensure that the CIF configuration is correctly set up. Check the settings in transaction /SAPAPO/CIF and ensure that all necessary settings for the integration between APO and ERP are in place.
  
  
  Validate Master Data: Check the master data in both systems to ensure that it is consistent and complete. This includes materials, plants, and any other relevant data.
  
  
  Check Logs: Use transaction codes like /SAPAPO/CIF_LOG to review the CIF logs for more detailed information about the error. This can provide insights into what went wrong during the data transfer.
  
  
  Test Function Module: If you have access, test the function module directly in transaction SE37 to see if it works as expected with the same data.
  
  
  Authorization Check: Ensure that the user or system has the necessary authorizations to execute the function module.
  
  
  Performance Monitoring: Monitor the performance of both the APO and ERP systems to identify any bottlenecks or issues that may be affecting the data transfer.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/CIF, /SAPAPO/CIF_LOG, and SE37 for function module testing.
  SAP Documentation: Refer to the official SAP documentation for CIF and APO for detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/CIF026 error effectively.