How To Fix DGEXC401 - Error while locking

SAP Error Message - Details

• Message type: E = Error

• Message class: DGEXC - Messages for Exceptions to DG Regulations

• Message number: 401

• Message text: Error while locking

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 DGEXC401 - Error while locking ?

  The SAP error message DGEXC401, which indicates "Error while locking," typically occurs when there is an issue with the system trying to lock a resource (like a database record or an object) during a transaction. This can happen for various reasons, including:
  Causes:
  
  Database Lock Conflicts: Another transaction may already hold a lock on the resource you are trying to access.
  Short Dumps: If there are short dumps in the system, they may prevent locks from being acquired.
  Lock Table Issues: The lock table may be full or not functioning correctly.
  Network Issues: Temporary network issues can lead to problems in acquiring locks.
  User Authorizations: The user may not have the necessary authorizations to lock the object.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify if another user or process is holding the lock and take appropriate action (e.g., wait for the lock to be released or contact the user).
  Review Short Dumps: Use transaction code ST22 to check for any short dumps that may provide more context about the error.
  Clear Lock Table: If the lock table is full, you may need to clear unnecessary locks. This can be done through SM12, but be cautious as this can affect other users.
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the action that requires locking.
  System Performance: Monitor system performance and check for any long-running transactions that may be holding locks for an extended period.
  Restart the Application: In some cases, restarting the application or the transaction may resolve temporary issues.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  ST22: Analyze short dumps.
  SM21: Check system logs for any related errors.
  SM37: Monitor background jobs that may be causing locks.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DGEXC401 error. You can search the SAP Support Portal for relevant notes.
  
  
  System Configuration: Ensure that the system is properly configured for handling locks, including settings related to the lock table size.
  
  
  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.