How To Fix APO_BAPI135 - RFC function &1 in destination &2 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: APO_BAPI - Message Class for APO BAPIs

• Message number: 135

• Message text: RFC function &1 in destination &2 not found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message APO_BAPI135 - RFC function &1 in destination &2 not found ?

  The SAP error message "APO_BAPI135 RFC function &1 in destination &2 not found" typically indicates that the system is unable to locate a specific Remote Function Call (RFC) function module in the specified destination. This can occur in SAP Advanced Planning and Optimization (APO) when trying to execute a BAPI or RFC call that is not available in the target system.
  Causes:
  
  Missing Function Module: The specified function module (denoted by &1) does not exist in the target system (denoted by &2).
  Incorrect Destination Configuration: The RFC destination may not be correctly configured, or it may point to the wrong system.
  Authorization Issues: The user may not have the necessary authorizations to access the function module in the target system.
  Network Issues: There may be network connectivity issues between the systems involved.
  Transport Issues: The function module may not have been transported to the target system.
  
  Solutions:
  
  Check Function Module: Verify that the function module exists in the target system. You can do this by using transaction SE37 or SE80 to search for the function module name.
  Verify RFC Destination: Check the configuration of the RFC destination in transaction SM59. Ensure that it points to the correct system and that the connection is working.
  Test Connection: Use the "Test Connection" feature in SM59 to ensure that the connection to the target system is functioning properly.
  Check Authorizations: Ensure that the user executing the BAPI or RFC call has the necessary authorizations in the target system.
  Transport Function Module: If the function module is missing, you may need to transport it from the development system to the target system.
  Review Logs: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context.
  
  Related Information:
  
  RFC Destinations: RFC destinations are defined in transaction SM59 and are used to connect to other SAP systems or external systems.
  BAPIs: Business Application Programming Interfaces (BAPIs) are standardized programming interfaces that allow external applications to interact with SAP systems.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or RFC error.
  Documentation: Refer to the SAP Help Portal for documentation on the specific BAPI or function module you are trying to use.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the "APO_BAPI135 RFC function &1 in destination &2 not found" error message.