IBM BAW Tips Q&A - Recent questions tagged concurrency https://bpm.tips/tag/concurrency Powered by Question2Answer How does BAW handle concurrency: instance locking, task claims, parallel branches editing the same data, and the 'modified by another user' errors? https://bpm.tips/3537/does-handle-concurrency-instance-locking-task-claims-parallel-branches-editing-same-data-modified-another-user-errors We get errors when two users work on tasks of the same instance at once, and parallel branches sometimes overwrite each other's changes to the same business object. How does BAW lock data, and how do we design around it? https://bpm.tips/3537/does-handle-concurrency-instance-locking-task-claims-parallel-branches-editing-same-data-modified-another-user-errors Sun, 06 Sep 2026 13:56:46 +0000