How To Fix IDGT_LC168 - Combination is not permitted for documents for different invoices

SAP Error Message - Details

• Message type: E = Error

• Message class: IDGT_LC -

• Message number: 168

• Message text: Combination is not permitted for documents for different invoices

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDGT_LC168 - Combination is not permitted for documents for different invoices ?

  The SAP error message IDGT_LC168, which states "Combination is not permitted for documents for different invoices," typically occurs in the context of document processing in SAP, particularly when dealing with invoice-related transactions. This error indicates that there is an issue with the combination of documents being processed, often due to inconsistencies or restrictions in the system regarding how invoices and related documents can be linked or processed together.
  Causes:
  
  
  Different Invoice Numbers: The error often arises when trying to process multiple documents that are associated with different invoice numbers. SAP expects certain combinations of documents to be linked to the same invoice.
  
  
  Document Type Restrictions: Certain document types may have restrictions on how they can be combined. For example, you may be trying to combine a credit memo with an invoice that does not match the expected criteria.
  
  
  Configuration Issues: There may be configuration settings in the SAP system that restrict the combination of certain document types or invoice types.
  
  
  Incomplete Data: Missing or incorrect data in the documents being processed can also lead to this error.
  
  
  Solutions:
  
  
  Check Invoice Numbers: Ensure that all documents you are trying to process are associated with the same invoice number. If they are not, you will need to separate them and process them individually.
  
  
  Review Document Types: Verify that the document types you are trying to combine are compatible. Consult your SAP documentation or configuration settings to understand the allowed combinations.
  
  
  Configuration Review: If you have access to the configuration settings, review the settings related to document processing and combinations. You may need to consult with your SAP administrator or a functional consultant to make necessary adjustments.
  
  
  Data Validation: Ensure that all required fields in the documents are filled out correctly and that there are no discrepancies in the data.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  Testing in a Sandbox: If possible, replicate the issue in a test environment to better understand the cause and to test potential solutions without affecting production data.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on document processing and error handling.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., FB60 for invoice entry, FB65 for credit memo) that may help in troubleshooting the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to escalate the issue to your SAP support team or a consultant with expertise in SAP financials.