How To Fix K6386 - Field &1 is already in the field catalog as a unit

SAP Error Message - Details

• Message type: E = Error

• Message class: K6 - EC-EIS/EC-BP data basis: Data entry and collection

• Message number: 386

• Message text: Field &1 is already in the field catalog as a unit

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message K6386 - Field &1 is already in the field catalog as a unit ?

  The SAP error message K6386, which states "Field &1 is already in the field catalog as a unit," typically occurs in the context of SAP Controlling (CO) when there is an issue with the configuration of field catalogs in reports or queries. This error indicates that a field (usually a unit of measure) is being defined or used more than once in the field catalog, which is not allowed.
  Cause:
  
  Duplicate Field Definition: The field in question (denoted by &1) has been defined multiple times in the field catalog, leading to a conflict.
  Incorrect Configuration: There may be an issue with how the field catalog is set up in the report or query, possibly due to manual errors or incorrect settings.
  Data Model Issues: If the data model or the underlying data structure has been modified, it may lead to inconsistencies in how fields are referenced.
  
  Solution:
  
  Check Field Catalog: Review the field catalog configuration for the report or query where the error occurs. Ensure that the field in question is only defined once.
  Remove Duplicates: If you find that the field is listed multiple times, remove the duplicate entries from the field catalog.
  Reconfigure the Report/Query: If necessary, reconfigure the report or query to ensure that fields are correctly defined and that there are no conflicts.
  Test Changes: After making adjustments, test the report or query to ensure that the error is resolved and that the report functions as expected.
  Consult Documentation: If you are unsure about the configuration, refer to SAP documentation or guides related to field catalogs and reporting in SAP CO.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSB1 (for displaying actual line items) or KOB1 (for displaying actual data) to help troubleshoot issues in the CO module.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.