How To Fix USMDZ10029 - Unexpected error during key change, contact SAP support.

SAP Error Message - Details

• Message type: E = Error

• Message class: USMDZ10 - Message Class for MDG-F BOL/genIL UI related texts

• Message number: 029

• Message text: Unexpected error during key change, contact SAP support.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMDZ10029 - Unexpected error during key change, contact SAP support. ?

  The SAP error message USMDZ10029 indicates that there was an unexpected error during a key change operation in the SAP system, and it suggests contacting SAP support for further assistance. This error can occur in various contexts, particularly in the Master Data Governance (MDG) module, where key changes are part of data management processes.
  Possible Causes:
  
  Data Integrity Issues: There may be inconsistencies or integrity issues in the master data that prevent the key change from being processed.
  Configuration Errors: Incorrect configuration settings in the MDG or related modules can lead to unexpected errors during key changes.
  Authorization Issues: The user attempting the key change may not have the necessary authorizations to perform the operation.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using that lead to this error.
  Database Locking: If the database is locked or if there are ongoing transactions that conflict with the key change, this error may occur.
  
  Solutions:
  
  Check Data Integrity: Review the master data for any inconsistencies or errors. Ensure that all required fields are populated and that there are no duplicate entries.
  Review Configuration: Verify the configuration settings in the MDG and related modules. Ensure that all settings are correct and aligned with the business processes.
  User Authorizations: Check the user roles and authorizations to ensure that the user has the necessary permissions to perform key changes.
  System Logs: Review the system logs (transaction codes such as SLG1) for any additional error messages or warnings that may provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  Contact SAP Support: If the issue persists after trying the above solutions, it is advisable to contact SAP support with detailed information about the error, including the steps that led to the error, any relevant logs, and system configuration details.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG for configuration, SLG1 for logs, and SE80 for development.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Documentation: Review the official SAP documentation for Master Data Governance to understand the key change process and any prerequisites or constraints.
  
  By following these steps, you should be able to diagnose and potentially resolve the issue related to the USMDZ10029 error. If not, SAP support will be your best resource for a resolution.