How To Fix /SAPAPO/MA782 - Destination 'CALL_MLR' does not exist - not possible to create direct

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 782

• Message text: Destination 'CALL_MLR' does not exist - not possible to create direct

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MA782 - Destination 'CALL_MLR' does not exist - not possible to create direct ?

  The SAP error message /SAPAPO/MA782 Destination 'CALL_MLR' does not exist - not possible to create direct typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is trying to call a function or a service that requires a specific destination (in this case, CALL_MLR) that has not been defined or configured in the system.
  Cause:
  
  Missing RFC Destination: The most common cause of this error is that the RFC (Remote Function Call) destination CALL_MLR has not been created in the SAP system. This destination is necessary for the system to communicate with other systems or services.
  Configuration Issues: There may be issues with the configuration of the SAP system or the APO settings that prevent the destination from being recognized.
  Authorization Issues: The user may not have the necessary authorizations to access the destination or the related function modules.
  
  Solution:
  
  
  Create the RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check if the destination CALL_MLR exists. If it does not, create a new RFC destination with that name.
  Choose the appropriate type (usually a TCP/IP connection or a TCP/IP connection to an SAP system).
  Fill in the required details such as the target host, system number, and client.
  Test the connection to ensure it is working correctly.
  
  
  
  Check Configuration:
  
  Ensure that the APO settings are correctly configured to use the destination.
  Review any related configuration settings in the APO system that might affect the use of the destination.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to access the RFC destination and perform the required operations.
  You may need to consult with your SAP security team to ensure that the user roles are correctly assigned.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific APO functionality you are trying to use. There may be additional configuration steps or prerequisites that need to be addressed.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide additional insights or patches if this is a known issue.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 - For managing RFC destinations.
  SICF - For managing HTTP services, if applicable.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Help Portal for documentation on configuring RFC destinations and APO settings.
  
  By following these steps, you should be able to resolve the error and ensure that the destination CALL_MLR is properly configured in your SAP system.