How To Fix /ISDFPS/OM018 - List is incomplete; objects are locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/OM -

• Message number: 018

• Message text: List is incomplete; objects are 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 /ISDFPS/OM018 - List is incomplete; objects are locked ?

  The SAP error message /ISDFPS/OM018 List is incomplete; objects are locked typically occurs in the context of the SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) modules. This error indicates that the system is unable to display a complete list of objects because some of the objects are currently locked, preventing access to them.
  Cause:
  
  Locked Objects: The primary cause of this error is that certain objects (like planning objects, master data, or transactional data) are locked by other users or processes. This can happen during data processing, planning runs, or when another user is editing the same data.
  Long-running Transactions: If a transaction takes a long time to complete, it may hold locks on the objects, leading to this error for other users trying to access the same data.
  System Configuration: In some cases, the system configuration or settings related to locking mechanisms may contribute to this issue.
  
  Solution:
  
  Check Locks: Use transaction code SM12 to check for locked entries. You can identify which user or process is holding the lock on the objects. If appropriate, you can release the locks, but be cautious as this may affect other users.
  Wait for Completion: If the locks are held by a long-running transaction, it may be best to wait until the transaction completes.
  Communicate with Users: If you identify that a specific user is holding locks, communicate with them to understand if they can release the locks or if they are still working on the data.
  Review Batch Jobs: If the locks are caused by batch jobs, review the job schedules and execution times to minimize conflicts.
  System Configuration Review: If this issue occurs frequently, consider reviewing the system configuration related to locking mechanisms and transaction handling.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to check dumps).
  User Documentation: Refer to SAP documentation for specific details on locking behavior in the context of your SAP module (IBP, APO, etc.).
  SAP Notes: Check for any relevant SAP Notes that may address this issue or provide patches or updates to improve locking behavior.
  Performance Monitoring: Regularly monitor system performance and user activities to identify patterns that may lead to locking issues.
  
  By following these steps, you should be able to resolve the error and minimize its occurrence in the future.