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

/SAPAPO/MA782 - Overview

• 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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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 /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