How To Fix /INCMD/MSG026 - Error while converting return message &1; contact system administrator

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 026

• Message text: Error while converting return message &1; contact system administrator

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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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 /INCMD/MSG026 - Error while converting return message &1; contact system administrator ?

  The SAP error message /INCMD/MSG026 Error while converting return message &1; contact system administrator typically indicates that there is an issue with the conversion of a return message in the SAP system. This error can occur in various contexts, such as during the execution of a program, function module, or when processing data in an interface.
  Possible Causes:
  
  Data Format Issues: The return message may contain data that is not in the expected format, leading to conversion errors.
  Configuration Problems: There may be issues with the configuration of the message handling or the related function modules.
  Missing or Incorrect Message Class: The message class or message number referenced in the return message may not exist or may be incorrectly defined.
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to access certain data or perform specific actions.
  System Bugs: There could be bugs in the SAP system or the specific version you are using that lead to this error.
  
  Solutions:
  
  Check Data Input: Review the data being processed to ensure it is in the correct format and meets the expected criteria.
  Review Configuration: Check the configuration settings related to message handling in the relevant modules or transactions.
  Verify Message Class: Ensure that the message class and message number referenced in the error are correctly defined in the system.
  User Authorizations: Verify that the user has the necessary authorizations to perform the action that triggered the error.
  Debugging: If you have access to debugging tools, you can trace the execution of the program or function module to identify where the error occurs.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to check transaction codes like SE91 (Message Class), SE37 (Function Module), or SE80 (Object Navigator) to investigate further.
  Logs and Traces: Review system logs (SM21) and application logs (SLG1) for additional details that may provide insight into the error.
  Documentation: Refer to SAP documentation for the specific module or function you are working with to understand the expected behavior and configurations.
  
  By following these steps, you should be able to diagnose and potentially resolve the error message you are encountering.