How To Fix ATO_CUSTOMER172 - Export of collection &1 is locked (&2).

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 172

• Message text: Export of collection &1 is locked (&2).

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_CUSTOMER172 - Export of collection &1 is locked (&2). ?

  The SAP error message ATO_CUSTOMER172 indicates that there is an issue with the export of a collection, which is currently locked. This can occur in various scenarios, particularly when dealing with data exports or when multiple users or processes are trying to access the same collection simultaneously.
  Cause:
  
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a collection is being accessed or modified by another user or process, it may be locked, leading to this error.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold a lock on the collection, preventing other operations from proceeding.
  System Configuration: There may be configuration settings that dictate how collections are locked and managed, which could lead to this error if not set correctly.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for lock entries related to the collection. You can identify the user or process that is holding the lock and take appropriate action.
  Wait and Retry: If the lock is temporary (e.g., due to a long-running transaction), waiting for the process to complete may resolve the issue.
  Terminate Long-running Processes: If you identify a process that is holding the lock unnecessarily, you may need to terminate it. Be cautious with this approach, as it may lead to data inconsistencies.
  Review User Access: Ensure that users have the appropriate access rights and that there are no conflicts in user permissions that could lead to locking issues.
  System Configuration Review: If the issue persists, review the system configuration related to data locking and collection management. Consult with your SAP Basis team or system administrator for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues further.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation related to the specific module you are working with, as the context of the collection may provide additional insights into the locking behavior.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.