How To Fix /BOBF/CONF121 - Internal attribute for conversion rule &1 may not be assigned (&2 &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/CONF -

• Message number: 121

• Message text: Internal attribute for conversion rule &1 may not be assigned (&2 &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/CONF121 - Internal attribute for conversion rule &1 may not be assigned (&2 &3) ?

  The SAP error message /BOBF/CONF121 indicates that there is an issue with the assignment of an internal attribute for a conversion rule in the Business Object Processing Framework (BOPF). This error typically arises when there is a mismatch or an incorrect configuration in the BOPF model, particularly related to the conversion rules defined for attributes.
  Cause:
  
  Incorrect Configuration: The internal attribute specified in the conversion rule may not be correctly configured or may not exist in the context of the business object.
  Data Type Mismatch: There could be a mismatch in the data types between the source and target attributes in the conversion rule.
  Missing Attributes: The internal attribute that is being referenced may not be defined in the business object or may have been deleted or renamed.
  Inconsistent Model: The BOPF model may be inconsistent due to changes made in the underlying data model or business object definitions.
  
  Solution:
  
  Check Configuration: Review the configuration of the BOPF model and ensure that the internal attribute is correctly defined and exists in the business object.
  Validate Conversion Rules: Go through the conversion rules and verify that they are correctly mapping the attributes. Ensure that the source and target attributes are compatible in terms of data types.
  Recreate or Adjust Attributes: If the internal attribute is missing or incorrectly defined, you may need to recreate it or adjust the existing definitions to ensure they align with the conversion rules.
  Consistency Check: Perform a consistency check on the BOPF model to identify any discrepancies or issues that need to be resolved.
  Debugging: If the issue persists, consider debugging the BOPF processing to trace where the error is occurring and gather more context about the failure.
  
  Related Information:
  
  BOPF Documentation: Refer to the official SAP documentation on BOPF for detailed information on how to configure business objects and conversion rules.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If you continue to face challenges after trying the above solutions, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.