How To Fix D0020 - Invalid error number

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message D0020 - Invalid error number ?

  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 Code: If the error occurs in a custom program, review the code to ensure that it is correctly handling error numbers and that all referenced error numbers are defined.
  Transport Consistency: Ensure that all necessary transports have been correctly applied and that there are no missing components related to error handling.
  System Logs: Check the system logs (transaction SM21) for any additional information or related errors that might provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide patches or updates.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE91 (Message Class Maintenance) to check the message classes and error numbers.
  Debugging: If you have access to debugging tools, you can set breakpoints in the code where the error is being raised to understand the context better.
  Documentation: Review SAP documentation related to error handling and message management for best practices and guidelines.
  
  By following these steps, you should be able to identify the cause of the D0020 error and implement a suitable solution.