How To Fix UGMD555 - Cannot set lock for field name &1; terminating program

SAP Error Message - Details

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 555

• Message text: Cannot set lock for field name &1; terminating program

What causes this issue?

No lock can be set for &V1&.
When data conversion is being performed in an update run, no other progr
ams may access the data for &V1&. This is to ensure data integrity. For
this reason, the data for &V1& must be protected by a lock before data
conversion is performed in an update run.

System Response

The data conversion is terminated. Data is neither changed nor saved.

How to fix this error?

Ensure that no other users in the system have access to the master data
during data conversion. Ensure also that no transport requests are impor
ted into the system during data conversion.
Then execute the data conversion again.

Procedure for System Administrators

Whenever you perform a data conversion, we recommend using the system ex
clusively for the data conversion, which you can ensure by temporarily
blocking other users, for example.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UGMD555 - Cannot set lock for field name &1; terminating program ?

  The SAP error message UGMD555 indicates that there is an issue with setting a lock for a specific field in the program. This error typically arises in the context of data processing where a lock is required to ensure data integrity and prevent concurrent access issues.
  Cause:
  
  
  Field Locking Issues: The error usually occurs when the system is unable to set a lock on the specified field (denoted by &1 in the error message). This can happen due to:
  
  The field is already locked by another process or user.
  The system is experiencing a deadlock situation.
  There are issues with the database or the underlying data structure.
  Insufficient authorizations to set a lock on the field.
  
  
  
  Program Logic Errors: There may be issues in the program logic that prevent the lock from being set correctly.
  
  
  Database Issues: Problems with the database, such as connectivity issues or corruption, can also lead to this error.
  
  
  Solution:
  
  
  Check for Existing Locks: Use transaction codes like SM12 to check for existing locks on the field. If another user or process is holding the lock, you may need to wait for it to be released or contact the user to resolve the issue.
  
  
  Review Program Logic: If you have access to the program code, review the logic where the lock is being set. Ensure that the locking mechanism is implemented correctly.
  
  
  Database Health Check: Perform a health check on the database to ensure there are no connectivity issues or corruption. You may need to involve your database administrator for this.
  
  
  Increase Lock Timeout: If the issue is related to timeouts, consider increasing the lock timeout settings in the system configuration.
  
  
  Check Authorizations: Ensure that the user or process attempting to set the lock has the necessary authorizations to do so.
  
  
  Restart the Process: If the error persists, try restarting the process or transaction that is causing the issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose the issue further.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs for any additional error messages or warnings that may provide context for the issue.
  
  If the problem continues after trying the above solutions, it may be necessary to escalate the issue to your SAP Basis team or SAP support for further investigation.