How To Fix UMG095 - No lock

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 095

• Message text: No lock

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 UMG095 - No lock ?

  The SAP error message UMG095 "No lock" typically occurs in the context of SAP's lock management system, which is used to prevent concurrent access to data that could lead to inconsistencies. This error indicates that a lock could not be obtained for a particular object or resource, which may be due to various reasons.
  Causes of UMG095 "No lock" Error
  
  Resource Contention: Another user or process may already hold a lock on the resource you are trying to access.
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Lock Timeout: The system may have a timeout setting that causes the lock request to fail if it cannot be obtained within a certain period.
  Configuration Issues: There may be configuration issues in the lock management settings or the application itself.
  Database Issues: Problems with the underlying database can also lead to locking issues.
  
  Solutions to UMG095 "No lock" Error
  
  Check Lock Status: Use transaction code SM12 to check the current locks in the system. You can identify if another user or process is holding the lock you need.
  Release Locks: If you find that a lock is held unnecessarily, you can release it (if you have the necessary permissions) or ask the user holding the lock to release it.
  Increase Lock Table Size: If the lock table is full, consider increasing its size. This can be done by adjusting the parameters in the SAP profile (e.g., enque/table_size).
  Review Lock Timeout Settings: Check the lock timeout settings in the system and adjust them if necessary to allow more time for locks to be obtained.
  Check for Configuration Issues: Review the configuration of the application or module that is generating the error to ensure that it is set up correctly.
  Database Health Check: Ensure that the database is functioning correctly and that there are no underlying issues affecting lock management.
  
  Related Information
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: Check system logs for any related errors or warnings.
  ST22: Analyze dumps that may provide more context on the error.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the UMG095 error. You can search the SAP Support Portal for relevant notes.
  
  
  Documentation: Review SAP documentation on lock management for a deeper understanding of how locks work and best practices for managing them.
  
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.