How To Fix ATO_CUSTOMER543 - Collection &1(&2) is locked and cannot be merged.

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO_CUSTOMER - ATO Messages for the End User

• Message number: 543

• Message text: Collection &1(&2) is locked and cannot be merged.

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 ATO_CUSTOMER543 - Collection &1(&2) is locked and cannot be merged. ?

  The SAP error message "ATO_CUSTOMER543 Collection &1(&2) is locked and cannot be merged" typically indicates that a specific collection (identified by the parameters &1 and &2) is currently locked, preventing any operations such as merging from being performed on it. This locking can occur for various reasons, such as ongoing processes, user locks, or system maintenance activities.
  Causes:
  
  Ongoing Processes: The collection may be in use by another transaction or process, such as a data update or report generation.
  User Locks: A user may have locked the collection for editing or processing, preventing other users from making changes.
  System Maintenance: The system may be undergoing maintenance or updates that temporarily lock certain collections.
  
  Configuration Issues: There may be configuration settings that inadvertently cause collections to be locked.
  
  Solutions:
  
  Check for Active Processes: Verify if there are any active processes or transactions that are currently using the collection. You can use transaction codes like SM66 (Global Work Process