How To Fix /SCWM/ADAPTER_MP012 - Locking error

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/ADAPTER_MP -

• Message number: 012

• Message text: Locking error

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/ADAPTER_MP012 - Locking error ?

  The SAP error message /SCWM/ADAPTER_MP012 Locking error typically occurs in the context of the SAP Extended Warehouse Management (EWM) system. This error is related to locking issues that can arise when multiple processes or transactions attempt to access the same data simultaneously, leading to conflicts.
  
  Cause:
  
  Concurrent Access: The most common cause of this error is that multiple users or processes are trying to access or modify the same data at the same time, leading to a locking conflict.
  Long-running Transactions: If a transaction takes too long to complete, it can hold locks on certain data, preventing other transactions from accessing it.
  System Configuration: Incorrect configuration of the EWM system or the underlying database can also lead to locking issues.
  Database Locks: Locks at the database level can also cause this error, especially if there are long-running queries or transactions.
  
  
  Solution:
  
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or