How To Fix 67_RFC451 - Object &1 with object class &2 may not refer to reference object &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 67_RFC - Message Class for RFC Modules

• Message number: 451

• Message text: Object &1 with object class &2 may not refer to reference object &3

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.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 67_RFC451 - Object &1 with object class &2 may not refer to reference object &3 ?

  The SAP error message "67_RFC451 Object &1 with object class &2 may not refer to reference object &3" typically occurs in the context of Remote Function Call (RFC) settings or when dealing with object references in SAP systems. This error indicates that there is an issue with the way an object is referencing another object, which is not allowed according to the system's configuration or rules.
  Cause:
  
  Invalid Object Reference: The object you are trying to reference (object &3) is not compatible with the object you are working with (object &1).
  Configuration Issues: There may be a misconfiguration in the RFC destination or the way objects are defined in the system.
  Authorization Issues: The user or system may not have the necessary authorizations to access the referenced object.
  Object Class Mismatch: The object class specified (&2) may not be allowed to reference the specified object.
  
  Solution:
  
  Check Object Definitions: Verify the definitions of the objects involved. Ensure that the object you are trying to reference is valid and correctly defined in the system.
  Review RFC Configuration: If this error occurs during an RFC call, check the RFC destination settings and ensure they are correctly configured.
  Authorization Check: Ensure that the user or system has the necessary authorizations to access both the referencing and referenced objects.
  Consult Documentation: Refer to SAP documentation or notes related to the specific objects and their relationships to understand the constraints.
  Debugging: If you have access to debugging tools, you can trace the RFC call to see where the error is occurring and gather more context about the objects involved.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE37 (Function Modules), or SM59 (RFC Destinations) to investigate the objects and their configurations.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.