How To Fix FDT_CORE2021 - Invalid object set for custom attribute at position &1: '&2' (&3)

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE2 - BRFplus core functions (in addition to msg class FDT_CORE)

• Message number: 021

• Message text: Invalid object set for custom attribute at position &1: '&2' (&3)

What causes this issue?

An invalid ID has been used for a custom attribute definition. For an ID
to be valid, it must meet the following requirements:
the ID must refer to an existing element data object of type text.
The referenced element data object must have a name.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Provide a valid ID for the custom attribute.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE2021 - Invalid object set for custom attribute at position &1: '&2' (&3) ?

  The SAP error message FDT_CORE2021 indicates that there is an issue with a custom attribute in the context of the Field Data Tool (FDT). This error typically arises when the system encounters an invalid object set for a custom attribute at a specified position.
  Cause:
  The error can be caused by several factors, including:
  
  Invalid Configuration: The custom attribute may not be correctly configured or linked to the appropriate object set.
  Missing Object Set: The object set that the custom attribute is supposed to reference may not exist or may have been deleted.
  Incorrect Positioning: The position specified in the error message may not correspond to a valid entry in the object set.
  Data Model Issues: There may be inconsistencies or errors in the underlying data model that affect how attributes are processed.
  
  Solution:
  To resolve the FDT_CORE2021 error, you can take the following steps:
  
  
  Check Custom Attribute Configuration:
  
  Go to the FDT configuration and verify that the custom attribute is correctly defined.
  Ensure that the attribute is linked to the correct object set.
  
  
  
  Validate Object Set:
  
  Check if the object set referenced by the custom attribute exists and is active.
  If the object set has been deleted or is inactive, you may need to recreate or activate it.
  
  
  
  Review Positioning:
  
  Look at the position indicated in the error message and ensure that it corresponds to a valid entry in the object set.
  If necessary, adjust the positioning of the custom attribute.
  
  
  
  Check Data Model:
  
  Review the data model for any inconsistencies or errors that may affect the processing of custom attributes.
  Make any necessary corrections to the data model.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration to ensure that the error no longer occurs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the Field Data Tool for additional guidance on custom attributes and object sets.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in FDT.
  
  
  
  Related Information:
  
  Field Data Tool (FDT): A tool used in SAP for managing field data and attributes in various applications.
  Custom Attributes: User-defined fields that can be added to standard SAP objects to capture additional information.
  Object Sets: Collections of objects that can be used in conjunction with custom attributes to define their behavior and context.
  
  By following these steps, you should be able to identify and resolve the cause of the FDT_CORE2021 error in your SAP system.