How To Fix /IWBEP/CM_MGW_BOP_DT004 - Remote RFC signature could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_BOP_DT -

• Message number: 004

• Message text: Remote RFC signature could not be read

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_BOP_DT004 - Remote RFC signature could not be read ?

  The SAP error message /IWBEP/CM_MGW_BOP_DT004 indicates that there is an issue with reading the remote RFC (Remote Function Call) signature. This error typically occurs in the context of SAP Gateway services when there is a problem with the configuration or the connection to the backend system.
  Causes:
  
  Missing or Incorrect RFC Destination: The RFC destination that is supposed to connect to the backend system may be missing, incorrectly configured, or not accessible.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the required function modules or services.
  Backend System Issues: The backend system may be down, or there may be network issues preventing the connection.
  Inconsistent Function Module: The function module being called may not exist, or its signature may have changed (e.g., parameters added or removed).
  Transport Issues: If the function module was recently transported, it may not have been activated properly in the target system.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination.
  Test the connection to ensure it is working correctly.
  
  
  
  Verify Authorizations:
  
  Ensure that the user used in the RFC destination has the necessary authorizations to execute the function module.
  Check the roles and profiles assigned to the user.
  
  
  
  Check Backend System:
  
  Ensure that the backend system is up and running.
  Check for any network issues that might be preventing access to the backend.
  
  
  
  Review Function Module:
  
  Go to transaction SE37 and check if the function module exists and is active.
  Verify the parameters of the function module to ensure they match what is expected.
  
  
  
  Transport and Activation:
  
  If the function module was recently transported, ensure that it has been activated in the target system.
  Check for any transport errors that may have occurred.
  
  
  
  Debugging:
  
  If the issue persists, consider using transaction SLG1 to check for logs related to the error.
  You can also use transaction ST22 to check for any dumps that might provide more insight into the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  Documentation: Review the SAP Gateway documentation for any additional configuration steps that may be required.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWBEP/CM_MGW_BOP_DT004 error message.