How To Fix UDM_MSG176 - one-time request cannot be locked. &1 (error code &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: UDM_MSG - FSCM-DM: Messages

• Message number: 176

• Message text: one-time request cannot be locked. &1 (error code &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UDM_MSG176 - one-time request cannot be locked. &1 (error code &2) ?

  The SAP error message UDM_MSG176, which states "one-time request cannot be locked. &1 (error code &2)," typically occurs in the context of the SAP Convergent Charging (SAP CC) or SAP Convergent Invoicing (SAP CI) modules. This error indicates that there is an issue with locking a one-time request, which can prevent the system from processing the request as intended.
  Cause:
  
  Concurrency Issues: The error often arises when multiple processes or users attempt to access or modify the same one-time request simultaneously. This can lead to a locking conflict.
  Database Locking: The underlying database may have a lock on the record due to a previous transaction that has not yet been completed or released.
  Configuration Issues: There may be configuration settings that are not properly set up, leading to issues with how requests are handled in the system.
  
  Solution:
  
  Check for Active Sessions: Verify if there are any active sessions or transactions that are currently using the one-time request. If so, wait for those sessions to complete.
  Database Lock Release: If you have access to the database, check for any locks on the relevant tables and release them if necessary. This may require assistance from your database administrator.
  Retry the Operation: After ensuring that no other processes are using the one-time request, try to execute the operation again.
  Review Configuration: Check the configuration settings related to one-time requests in SAP CC or CI to ensure they are set up correctly.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to gather more information about the issue.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. Provide them with the error message details, including the error code and any relevant logs.
  Documentation: Review the official SAP documentation for the modules you are working with, as they may provide additional insights into handling one-time requests and locking mechanisms.
  
  By following these steps, you should be able to diagnose and resolve the UDM_MSG176 error effectively.