How To Fix 3G438 - Internal error: Invalid return value when checking segment

3G438 - Overview

• Message type: E = Error

• Message class: 3G - Payroll: International

• Message number: 438

• Message text: Internal error: Invalid return value when checking segment

What causes this issue?

The value was returned as the result of the segment check. This value
can not be interpreted.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

3G438 - Details

• The SAP error message 3G438: Internal error: Invalid return value when checking segment typically indicates an issue with the data being processed in a segment of an SAP application, often related to the data structure or the way the data is being validated.
  Causes:
  
  Data Integrity Issues: The data being processed may not conform to the expected format or structure, leading to validation failures.
  Custom Code: If there are custom enhancements or modifications in the system, they might be causing unexpected behavior during data processing.
  Configuration Errors: Incorrect configuration settings in the relevant modules can lead to this error.
  System Bugs: There may be bugs in the SAP system or specific patches that need to be applied.
  
  Solutions:
  
  Check Data: Review the data being processed for any inconsistencies or invalid entries. Ensure that all required fields are populated correctly.
  Review Custom Code: If there are any custom developments, check the code for any logic that might be causing