How To Fix EK121 - Debit/credit indicator is inconsistent

EK121 - Overview

• Message type: E = Error

• Message class: EK - IS-U Accounts Receivable and Payable

• Message number: 121

• Message text: Debit/credit indicator is inconsistent

What causes this issue?

The transactions &v1& of source item &v2& have a different debit/credit
indicator to the items to be posted using transactions &v3&.

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

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message EK121 - Debit/credit indicator is inconsistent ?

  The SAP error message EK121, which states "Debit/credit indicator is inconsistent," typically occurs in the context of purchasing documents, such as purchase orders or invoices. This error indicates that there is a mismatch in the debit/credit indicators for the line items in the document, which can lead to inconsistencies in financial postings.
  Causes:
  
  Inconsistent Indicators: The debit/credit indicators for the line items in the document do not match. For example, if one line item is marked as a debit and another as a credit, this inconsistency will trigger the error.
  Incorrect Configuration: The configuration settings in the SAP system for the relevant document types or account assignments may not be set up correctly.
  Manual Entry Errors: Users may have manually entered incorrect values in the debit/credit fields when creating or modifying the document.
  Data Migration Issues: If data has been migrated from another system, inconsistencies may arise due to differences in how debit/credit indicators are