How To Fix WFF_FORM_SERVER303 - Data is currently locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: WFF_FORM_SERVER - Web Financials Forms: Form Server

• Message number: 303

• Message text: Data is currently locked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WFF_FORM_SERVER303 - Data is currently locked by another user ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WFF_FORM_SERVER303: Data is currently locked by another user
  
  Cause:
  This error occurs when a user tries to access or modify a workflow container element or a business object instance that is currently locked by another user or process. In SAP Workflow, data locking is used to prevent simultaneous changes to the same data, ensuring data consistency and integrity.
  Typical scenarios causing this error include:  
  
  Another user or workflow step is currently editing the same data.  
  A previous workflow step or user session did not release the lock properly (e.g., due to a crash or timeout).  
  Background jobs or workflows are processing the same object concurrently.
  
  
  Solution:
  To resolve the WFF_FORM_SERVER303 error, you can try the following steps:
  
  
  Identify the Lock Owner:
  
  Use transaction SM12 (Lock Entries) to check which user or process holds the lock on the object.  
  
  Enter the relevant object key or user name to filter the locks.  
  Identify if the lock is still valid or stale.
  
  
  
  Wait or Coordinate:
  
  If the lock is held by another active user or process, wait until they complete their operation and release the lock.
  
  
  Manually Delete Stale Locks:
  
  If the lock is stale (e.g., the user has logged off or the process has ended abnormally), you can delete the lock manually in SM12.  
  
  Select the lock entry and choose Delete.  
  Be cautious: Deleting locks can cause data inconsistencies if the lock owner is still working.
  
  
  
  Check Workflow Logs:
  
  Use transaction SWI1 or SWIA to check the workflow logs for any errors or stuck steps that might be causing the lock to persist.
  
  
  Restart Workflow or Application Server:
  
  In rare cases, restarting the workflow runtime or the application server can clear locks caused by system issues.
  
  
  Review Custom Code or Enhancements:
  
  If this error occurs frequently, review any custom workflow steps or user-exits that might not be releasing locks properly.
  
  
  
  Related Information:
  
  Transaction SM12: Display and manage lock entries.  
  Transaction SWI1 / SWIA: Workflow log and administration.  
  SAP Note: Check for any SAP Notes related to WFF_FORM_SERVER303 for your specific SAP version.  
  Lock Objects: Understand which lock objects are involved in your workflow or business object.  
  Workflow Container Elements: Locks can be on container elements or business object instances.
  
  
  Summary:
  
  Cause: Data locked by another user/process to prevent concurrent changes.  
  Solution: Identify and release the lock via SM12, coordinate with the lock owner, or delete stale locks carefully.  
  Prevention: Ensure proper lock handling in workflows and custom code.
  
  
  If you provide more context (e.g., which transaction or workflow step triggers this error), I can help with more specific guidance.