How To Fix UD502 - Internal error: &

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 502

• Message text: Internal error: &

What causes this issue?

A program status has arisen which cannot be dealt with appropriately.

System Response

The program is terminated with an "A" message.

How to fix this error?

Please report the error to SAP AG giving full details of the error
message you received.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD502 - Internal error: & ?

  The SAP error message UD502 "Internal error: &" typically indicates that there is an unexpected issue occurring within the SAP system, which can be caused by various factors. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data being processed, which can lead to internal errors.
  Configuration Issues: Incorrect configuration settings in the system can trigger internal errors.
  Program Bugs: There may be bugs in the custom code or standard SAP programs that are being executed.
  System Resource Issues: Insufficient memory or other system resources can lead to internal errors.
  Database Issues: Problems with the database, such as corruption or connectivity issues, can also cause this error.
  
  Solutions:
  
  Check Logs: Review the system logs (transaction codes like SLG1 for application logs or ST22 for dump analysis) to get more details about the error. This can provide insights into what caused the internal error.
  Data Validation: Ensure that the data being processed is valid and consistent. Check for any missing or incorrect entries.
  Configuration Review: Verify the configuration settings related to the process that triggered the error. Make sure they are set up correctly.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the error is occurring. This may require the help of a developer.
  System Resources: Check the system resources (memory, CPU usage) to ensure that the system is not overloaded. If necessary, optimize the system performance.
  Database Check: Run database consistency checks and ensure that the database is functioning correctly. If there are issues, consult your database administrator.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal. There may be specific notes addressing this error or related issues.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. Provide them with the error details and any logs you have collected.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like ST22 (Dump Analysis), SLG1 (Application Log), and SM21 (System Log) to help diagnose the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with, as it may provide additional context or troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the UD502 error and implement a solution.