How To Fix WAHD004 - Could not set lock on table WAHD(-OVAL)for plant &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WAHD - Messages for Alternative Historical Data

• Message number: 004

• Message text: Could not set lock on table WAHD(-OVAL)for plant &1

What causes this issue?

The system was unable to set a lock on tables WAHD or WAHD_OVAL.
This could be caused by a process that is currently running, or because
a user is processing a required record at the same time. The system was
unable to load the
<DS:GLOS.70086ED0D946154EBC7C6B32697A9C30>alternative historical data
</> (AHD) for the whole <DS:GLOS.3526BF3BAFAB52B9E10000009B38F974>plant
</>.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Release all locked records for the plant and start the program again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WAHD004 - Could not set lock on table WAHD(-OVAL)for plant &1 ?

  The SAP error message WAHD004 indicates that the system is unable to set a lock on the specified table (in this case, WAHD) for a particular plant. This error typically occurs in the context of warehouse management or inventory management processes.
  Cause:
  
  Concurrency Issues: The most common cause of this error is that another user or process is currently accessing the same table or data, leading to a lock contention.
  Database Lock: The database may have a lock on the table due to a long-running transaction or an uncommitted transaction that is holding the lock.
  Configuration Issues: There may be configuration issues in the warehouse management settings that are causing the system to attempt to access the table incorrectly.
  System Performance: High system load or performance issues can also lead to delays in acquiring locks.
  
  Solution:
  
  Check for Active Sessions: Use transaction codes like SM12 (to check for locks) to see if there are any active sessions that are holding locks on the WAHD table. If you find any, you may need to wait for those sessions to complete or, if appropriate, release the locks.
  Review Long-Running Transactions: Check for any long-running transactions that may be causing the lock. You can use transaction codes like SM50 or SM66 to monitor active processes.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue if it was a temporary lock.
  System Performance: If the system is under heavy load, consider optimizing performance or scheduling heavy jobs during off-peak hours.
  Consult Basis Team: If the issue persists, it may be necessary to consult your SAP Basis team to investigate further, as they can analyze the database locks and system performance in more detail.
  Check Configuration: Review the configuration settings related to warehouse management to ensure everything is set up correctly.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM50/SM66: To monitor active processes.
  SE11: To view the table structure and data.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the WAHD table or warehouse management processes.
  Documentation: Review SAP documentation related to warehouse management for best practices and troubleshooting tips.
  
  If the problem continues after trying the above solutions, it may be necessary to escalate the issue to SAP support for further assistance.