How To Fix /SCWM/ERPINTEGRATION304 - EWM delivery for &1 &2 from &3 could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/ERPINTEGRATION -

• Message number: 304

• Message text: EWM delivery for &1 &2 from &3 could not be locked

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 /SCWM/ERPINTEGRATION304 - EWM delivery for &1 &2 from &3 could not be locked ?

  The SAP error message /SCWM/ERPINTEGRATION304 indicates that a delivery document in Extended Warehouse Management (EWM) could not be locked. This typically occurs when there is a conflict in accessing the delivery document, which can happen for several reasons.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the delivery document, preventing your transaction from locking it.
  System Performance Issues: High system load or performance issues may lead to delays in locking mechanisms.
  Database Locks: There may be database locks that are preventing the document from being accessed.
  Configuration Issues: Incorrect configuration in EWM or integration settings between EWM and ERP could lead to locking issues.
  Transport Issues: If the delivery is being processed in a different system (e.g., during a transport), it may not be available for locking.
  
  Solutions:
  
  Check for Concurrent Users: Verify if another user is currently working on the same delivery. If so, wait for them to finish or coordinate with them.
  System Monitoring: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify any locks or issues in the system.
  Database Lock Release: If you find locks that are no longer needed, you can release them using transaction SM12, but be cautious as this can affect other users.
  Review Configuration: Ensure that the EWM and ERP integration settings are correctly configured. Check for any inconsistencies in the settings.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue if it was due to a temporary lock.
  Contact Support: If the issue persists, consider reaching out to your SAP support team for further investigation.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM21: To check system logs for errors.
  SLG1: To view application logs for more detailed error messages.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Review the SAP EWM documentation for best practices on handling deliveries and integration with ERP.
  
  By following these steps, you should be able to diagnose and resolve the locking issue related to the delivery document in EWM.