How To Fix C5906 - Error Function module & & & &

SAP Error Message - Details

• Message type: E = Error

• Message class: C5 - Master Recipe

• Message number: 906

• Message text: Error Function module & & & &

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C5906 - Error Function module & & & & ?

  The SAP error message C5906 typically indicates an issue with a function module in the SAP system. This error can occur for various reasons, and understanding the context in which it appears is crucial for troubleshooting. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Function Module Not Found: The specified function module may not exist in the system or may have been deleted or renamed.
  Authorization Issues: The user may not have the necessary authorizations to execute the function module.
  Incorrect Parameters: The parameters being passed to the function module may be incorrect or not in the expected format.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  System Configuration: There may be configuration issues in the system that prevent the function module from executing properly.
  
  Solutions:
  
  Check Function Module Existence: Use transaction SE37 to check if the function module exists and is active. If it does not exist, you may need to create it or restore it from a transport.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 or by reviewing the user roles.
  Validate Parameters: Review the parameters being passed to the function module. Ensure they are in the correct format and meet the expected criteria.
  Check Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that may indicate issues with the transport.
  Debugging: If you have access, you can debug the function module to identify where the error occurs. Use transaction SE80 or SE37 to set breakpoints and analyze the code.
  Consult Documentation: Review any available documentation or notes related to the function module for additional context or known issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Builder), SE80 (Object Navigator), and SU53 (Authorization Check).
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis or development team for further investigation.