How To Fix CRM_ISX_BTX_PAYMENT502 - Function module &2 does not exist in remote system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_ISX_BTX_PAYMENT - Payment settings related messages

• Message number: 502

• Message text: Function module &2 does not exist in remote system &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_ISX_BTX_PAYMENT502 - Function module &2 does not exist in remote system &1 ?

  The SAP error message CRM_ISX_BTX_PAYMENT502 indicates that a function module that is expected to be available in a remote system is not found. This typically occurs in scenarios involving cross-system communication, such as when a CRM system tries to call a function module in an ERP system or another connected system.
  Cause:
  
  
  Missing Function Module: The function module specified in the error message (&2) does not exist in the remote system (&1). This could be due to:
  
  The function module has not been created or activated in the remote system.
  The function module has been deleted or renamed.
  There is a version mismatch between the systems, and the function module is not available in the version of the remote system.
  
  
  
  Configuration Issues: There may be configuration issues in the RFC (Remote Function Call) settings that prevent the proper communication between the systems.
  
  
  Authorization Issues: The user or system trying to access the function module may not have the necessary authorizations to execute it.
  
  
  Solution:
  
  
  Check Function Module:
  
  Log into the remote system (&1) and check if the function module (&2) exists. You can do this by using transaction SE37 (Function Builder) or SE80 (Object Navigator).
  If it does not exist, you may need to create it or transport it from another system where it is available.
  
  
  
  Transport Requests:
  
  If the function module is missing, check if it can be transported from a development system to the target system. Ensure that the transport request is properly released and imported.
  
  
  
  Check RFC Configuration:
  
  Verify the RFC destination settings in transaction SM59. Ensure that the connection to the remote system is correctly configured and that the connection is working.
  
  
  
  Authorization Check:
  
  Ensure that the user or system has the necessary authorizations to call the function module. You can check this in transaction SU53 (Authorization Check) after attempting to execute the function.
  
  
  
  System Version Compatibility:
  
  If there is a version mismatch, consider upgrading the remote system or ensuring that the function module is compatible with the version of the CRM system.
  
  
  
  Consult Documentation:
  
  Review SAP Notes and documentation related to the specific function module and the error message for any additional guidance or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes:
  
  SE37: Function Builder
  SE80: Object Navigator
  SM59: RFC Destinations
  SU53: Authorization Check
  
  
  SAP Community: Consider checking the SAP Community forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.