How To Fix GLT1204 - Item category &1 not unique in process &2/&3

SAP Error Message - Details

• Message type: E = Error

• Message class: GLT1 - Split processor: Maintain control tables

• Message number: 204

• Message text: Item category &1 not unique in process &2/&3

What causes this issue?

You selected <DS:DE.LINETYPE>item category</>&V1&. This item category
is not unique in <DS:DE.GLPROCESS>accounting transaction</> &V2&,
<DS:DE.GLPROCVARI>variant</> &V3& (unique meaning that it is permitted
once only).
This could lead to the processing of <DS:DE.SPLITMETHD>splitting
rule</> for an actual document giving a chance result that is dependent
on the order of the document line items entered.

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?

Check whether item category &V1& can be defined as unique.

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 GLT1204 - Item category &1 not unique in process &2/&3 ?

  The SAP error message GLT1204 indicates that there is an issue with the item category in a specific process, where the item category is not unique. This typically occurs in the context of financial transactions or document processing in SAP, particularly in the General Ledger (GL) or during the posting of documents.
  Cause:
  The error message GLT1204 is triggered when:
  
  Duplicate Item Categories: The system finds multiple entries for the same item category in the specified process (e.g., a document or transaction).
  Configuration Issues: There may be a configuration issue in the item category settings, leading to ambiguity in how the system processes the item.
  Data Integrity Issues: There could be inconsistencies or duplicates in the master data or transaction data that are causing the system to be unable to determine which item category to use.
  
  Solution:
  To resolve the GLT1204 error, you can take the following steps:
  
  
  Check Item Categories:
  
  Review the item categories defined in the system for the specific process (e.g., document type, transaction type).
  Ensure that each item category is unique and correctly configured.
  
  
  
  Review Configuration:
  
  Go to the configuration settings for the relevant module (e.g., Financial Accounting) and check the settings for item categories.
  Ensure that there are no overlapping or conflicting definitions.
  
  
  
  Data Cleanup:
  
  Check for duplicate entries in the relevant master data or transaction data.
  If duplicates are found, clean up the data to ensure that each item category is unique.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on item categories and their configuration.
  
  
  
  Testing:
  
  After making changes, test the process again to ensure that the error is resolved.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance, providing them with details of the error and the steps you have taken.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBYC (for automatic postings) or SPRO (for configuration) to access the relevant settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the GLT1204 error in your SAP system.