How To Fix UKM_XI018 - One-time request cannot be locked: &1 (error code &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: UKM_XI - Messages for XI Exceptions

• Message number: 018

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

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UKM_XI018 - One-time request cannot be locked: &1 (error code &2) ?

  The SAP error message UKM_XI018 indicates that a one-time request cannot be locked, and it typically occurs in the context of the SAP Credit Management module. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Cause:
  
  Concurrency Issues: The error often occurs when multiple users or processes are trying to access or modify the same one-time request simultaneously, leading to a locking conflict.
  Database Locking: The database may have a lock on the record that is being accessed, preventing other transactions from modifying it.
  Incomplete Transactions: If a previous transaction involving the one-time request was not completed properly, it might leave the request in a locked state.
  System Configuration: There may be configuration issues in the SAP system that affect how locks are managed for one-time requests.
  
  Solution:
  
  Check for Locks: Use transaction code SM12 to check for any existing locks on the one-time request. If you find locks that are no longer needed, you can delete them (ensure you have the necessary authorizations).
  Wait and Retry: If the error is due to concurrent access, waiting for a short period and then retrying the operation may resolve the issue.
  Review User Activity: Check if other users are currently working on the same one-time request. Communicate with them to avoid conflicts.
  Transaction Completion: Ensure that all previous transactions involving the one-time request have been completed successfully. If there are any incomplete transactions, resolve them.
  System Configuration Review: If the issue persists, review the system configuration related to locking mechanisms in SAP. Consult with your SAP Basis team or system administrator for assistance.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues further.
  SAP Documentation: Refer to the official SAP documentation for Credit Management and locking mechanisms for more detailed information.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance, providing them with the error message details and any relevant logs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.