How To Fix DMC_RT_MSG179 - Function module &1 does not exist and cannot be called

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 179

• Message text: Function module &1 does not exist and cannot be 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG179 - Function module &1 does not exist and cannot be called ?

  The SAP error message DMC_RT_MSG179 indicates that a function module specified in your code or configuration does not exist in the SAP system. This can occur for several reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  Function Module Not Created: The function module may not have been created or activated in the system.
  Incorrect Name: There may be a typo or incorrect name in the function module call.
  Transport Issues: If the function module was recently transported from another system, it may not have been imported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Namespace Issues: The function module might be in a different namespace that is not accessible in the current context.
  
  Solutions:
  
  
  Check Function Module Existence:
  
  Use transaction code SE37 to check if the function module exists. Enter the name of the function module and see if it is available.
  
  
  
  Correct the Name:
  
  Verify the spelling and ensure that the function module name is correct in your code or configuration.
  
  
  
  Transport Check:
  
  If the function module was recently transported, check the transport logs to ensure it was imported successfully. You can use transaction SE09 or SE10 to review transport requests.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to execute the function module. You can check this with transaction SU53 after attempting to execute the function.
  
  
  
  Namespace Verification:
  
  If the function module is in a custom namespace, ensure that the namespace is correctly configured and accessible.
  
  
  
  Recreate the Function Module:
  
  If the function module is missing and you have the source code, you may need to recreate it.
  
  
  
  Related Information:
  
  Debugging: If you are unsure where the function module is being called, you can use the debugger to trace the execution and find the exact point of failure.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider searching or posting on SAP community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution. If the problem persists, consider reaching out to your SAP Basis or development team for further assistance.