How To Fix UGMD123 - An error occurred during the generation; see the log

UGMD123 - Overview

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 123

• Message text: An error occurred during the generation; see the log

What causes this issue?

An error occurred while generating the Data Dictionary.
For more detail, see the <DS:TRAN.UG_MD_GEN_LOG>Generation Log.</>

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.

UGMD123 - Details

• The SAP error message UGMD123 indicates that there was an issue during the generation process of a specific task, and it suggests checking the log for more details. This error can occur in various contexts, such as during the generation of reports, forms, or other outputs in SAP.
  Possible Causes:
  
  Data Issues: There may be inconsistencies or missing data in the underlying tables that the generation process relies on.
  Configuration Errors: Incorrect configuration settings in the SAP system can lead to generation failures.
  Authorization Problems: The user may not have the necessary permissions to execute the generation process.
  System Performance: If the system is under heavy load or if there are performance issues, it may lead to timeouts or failures during generation.
  Program Errors: There could be bugs or issues in the custom code or standard programs being executed.
  
  Solutions:
  
  
  Check the Log: The first step is to check the detailed log associated with the error. This log