How To Fix /BOBF/COM_GEN_MODEL310 - External Modifier &1: MAP argument &2 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/COM_GEN_MODEL -

• Message number: 310

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/COM_GEN_MODEL310 - External Modifier &1: MAP argument &2 is unknown ?

  The SAP error message /BOBF/COM_GEN_MODEL310 typically indicates an issue related to the Business Object Processing Framework (BOPF) in SAP. This error occurs when the system encounters an external modifier that references a mapping argument that is not recognized or does not exist in the context of the operation being performed.
  Cause:
  
  Unknown Mapping Argument: The error suggests that the mapping argument specified in the external modifier is not defined or is incorrectly referenced.
  Configuration Issues: There may be a misconfiguration in the BOPF model or the external modifier itself.
  Data Model Changes: If there have been recent changes to the data model or the BOPF configuration, it may lead to inconsistencies.
  Version Mismatch: The version of the BOPF model being used may not match the expected version that includes the specified mapping argument.
  
  Solution:
  
  Check the External Modifier: Review the external modifier configuration to ensure that the mapping argument is correctly defined and spelled. Make sure that it exists in the context of the BOPF model you are working with.
  Validate BOPF Model: Use transaction code /BOBF/CONF to check the BOPF model configuration. Ensure that all necessary mapping arguments are defined and correctly configured.
  Review Changes: If there have been recent changes to the BOPF model, review those changes to ensure that they did not inadvertently remove or alter the mapping argument.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant BOPF methods to trace where the error occurs and gather more context about the issue.
  Consult Documentation: Refer to SAP documentation or notes related to BOPF and external modifiers for any specific guidance or known issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  BOPF Documentation: Familiarize yourself with the BOPF framework and its components, including external modifiers and mapping arguments.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.