How To Fix /BOBF/COM_GEN_MODEL301 - External Modifier &1: RELATION argument &2 is unknown

/BOBF/COM_GEN_MODEL301 - Overview

• Message type: E = Error

• Message class: /BOBF/COM_GEN_MODEL -

• Message number: 301

• Message text: External Modifier &1: RELATION argument &2 is unknown

Self-Explanatory Message

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/BOBF/COM_GEN_MODEL301 - Details

• The SAP error message /BOBF/COM_GEN_MODEL301 indicates that there is an issue with the external modifier in the Business Object Processing Framework (BOPF). Specifically, the error message states that the RELATION argument provided is unknown. This typically occurs when the system is unable to recognize a relationship that has been defined in the BOPF model.
  
  Cause:
  
  Incorrect Relationship Name: The relationship name specified in the external modifier does not match any of the defined relationships in the BOPF model.
  Model Changes: If the BOPF model has been changed (e.g., relationships added or removed) and the external modifier has not been updated accordingly, this error can occur.
  Typographical Errors: There may be a typo in the relationship name or the argument passed to the external modifier.
  Missing Configuration: The relationship might not be properly configured in the BOPF model.
  
  
  Solution:
  
  Check Relationship Name: Verify that the relationship name specified in the external modifier is correct and matches the name