How To Fix PG428 - A complex application error has occurred

PG428 - Overview

• Message type: E = Error

• Message class: PG - Error Messages for Master Data Programs

• Message number: 428

• Message text: A complex application error has occurred

What causes this issue?

You have attempted to enter data in the system using a BAPI. The system
has discovered that this data is not consistent. Unfortunately, the
exact cause of this inconsistency cannot be determined when BAPIs are
used.

System Response

The system has rejected the data.

How to fix this error?

Please use a dialog transaction to enter the data in the system. You
may then be able to determine the exact cause of the error.

Error message extract from SAP system. Copyright SAP SE.

PG428 - Details

• The SAP error message PG428, which states "A complex application error has occurred," is a generic error message that can arise from various underlying issues within the SAP system. This error typically indicates that there is a problem with the application logic or data processing in the SAP environment. Here are some potential causes, solutions, and related information:
  Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the data being processed, which can lead to unexpected behavior.
  
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to application errors.
  Custom Code: If there are custom developments (ABAP programs, enhancements, etc.), bugs or issues in the code can trigger this error.
  System Performance: Performance issues, such as timeouts or resource limitations, can cause complex application errors.
  Authorization Issues: Lack of proper authorizations for the user executing the transaction can lead to errors.
  Integration Problems: Issues with integration points, such as interfaces with other systems, can