How To Fix WRMA_FI012 - Transferred field &1 does not have valid content; class &2

WRMA_FI012 - Overview

• Message type: E = Error

• Message class: WRMA_FI - Messages for RMA

• Message number: 012

• Message text: Transferred field &1 does not have valid content; class &2

What causes this issue?

The transferred field, &V1&, is either blank or contains an invalid
value.
The system performed the check within class &V2&. If an IDoc was used to
import the data, then the data in IDoc &V3& is inconsistent.

System Response

Processing is canceled.

How to fix this error?

Correct the transferred data.

Procedure for System Administrators

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.

WRMA_FI012 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRMA_FI012 Transferred field &1 does not have valid content; class &2
  
  Meaning / 
  Cause:
  This error occurs during the processing of Return Material Authorization (RMA) or related financial postings in SAP when a specific field (indicated by &1) that is being transferred to the financial accounting (FI) module does not contain valid or expected data. The error message also references a class (&2), which usually indicates the validation or processing class responsible for the check.
  In other words:
  The system expects a certain field to have valid content (e.g., a valid account number, cost center, profit center, or other financial master data), but the field is either empty, incorrectly formatted, or contains invalid data that does not meet the validation criteria.
  
  Common Causes:
  
  Missing or incorrect master data in the financial accounting or controlling modules.
  Incorrect or incomplete configuration in the RMA or FI integration settings.
  Data