How To Fix D0020 - Invalid error number

D0020 - Overview

• Message type: E = Error

• Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

• Message number: 020

• Message text: Invalid error number

What causes this issue?

The system detected an invalid error number.

System Response

The affected program or transaction terminated abnormally.

How to fix this error?

Inform your system administrator or the author of the program.

Error message extract from SAP system. Copyright SAP SE.

D0020 - Details

• The SAP error message D0020 "Invalid error number" typically indicates that there is an issue with the error handling or error reporting mechanism in the SAP system. This error can occur in various contexts, such as during the execution of a program, transaction, or when trying to access certain functionalities.
  Causes:
  
  Incorrect Error Handling: The error number being referenced may not exist or is not defined in the system.
  Custom Development Issues: If there are custom programs or enhancements, they may be incorrectly referencing error numbers.
  Transport Issues: If changes were transported from one system to another, there may be inconsistencies in error number definitions.
  System Configuration: There may be issues with the configuration of the system that affect how errors are handled or reported.
  
  Solutions:
  
  Check Error Number: Verify that the error number being referenced is valid and exists in the system. You can do this by checking the relevant error handling or message classes.
  Review Custom