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

/SAPAPO/CIF026 - Overview

• 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.

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/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