How To Fix AH673 - Sub-transaction &1 has incorrect debit/credit indicator

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 673

• Message text: Sub-transaction &1 has incorrect debit/credit indicator

What causes this issue?

Sub-transaction &V1& has the debit/credit indicator &V2&. However, a
sub-transaction with debit/credit indicator &V3& is required here.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH673 - Sub-transaction &1 has incorrect debit/credit indicator ?

  The SAP error message AH673 indicates that there is an issue with the debit/credit indicator for a sub-transaction in a financial document. This error typically arises during the posting of financial transactions, particularly in the context of accounting entries where the system expects a specific debit or credit indicator for the sub-transaction being processed.
  Cause:
  
  Incorrect Configuration: The sub-transaction may not be properly configured in the system, leading to an incorrect debit/credit indicator.
  Data Entry Error: There may be a mistake in the data entry where the debit/credit indicator is not set correctly for the transaction.
  Inconsistent Transaction Types: The transaction type being used may not align with the expected debit/credit indicators for the sub-transaction.
  Custom Development: If there are custom developments or enhancements in the system, they may not be handling the debit/credit indicators correctly.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the sub-transaction in the SAP system. Ensure that the debit/credit indicators are set correctly for the relevant transaction types.
  Review Transaction Data: Go through the transaction data being posted to ensure that the debit/credit indicators are correctly assigned. Correct any discrepancies found.
  Consult Documentation: Refer to the SAP documentation or configuration guides for the specific module you are working with (e.g., FI, CO) to understand the expected settings for the sub-transaction.
  Test with Different Data: If possible, try posting a similar transaction with different data to see if the error persists. This can help isolate whether the issue is with specific data or a broader configuration problem.
  Check for Custom Code: If there are any custom programs or enhancements, review the code to ensure that it correctly handles the debit/credit indicators.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like FB50 (General Ledger Account Document Entry) or FB01 (Post Document) to replicate the issue and analyze the data being entered.
  Debugging: If you have access to debugging tools, you can analyze the program flow to see where the debit/credit indicator is being set and why it might be incorrect.
  User Exits and BAdIs: Check if there are any user exits or Business Add-Ins (BAdIs) that might be influencing the behavior of the transaction posting.
  
  By following these steps, you should be able to identify the root cause of the AH673 error and implement a solution to resolve it.