Dynamics NAV locking issues are a common challenge faced by businesses running Microsoft Dynamics NAV, especially during manufacturing, consumption postings, and purchase postings. Many users encounter errors when creating purchase orders, releasing invoices, or posting transactions, where the system displays messages like “The Reservation Entry table cannot be changed because it is locked by another user.” These Dynamics NAV locking issues can significantly interrupt productivity in medium and large enterprises and need to be addressed proactively.

Most of the time, we are not running a large job, automatic cost posting is set to never and we do not analyses the view. We used to have this happen a lot when we had a number of similar users doing the same thing like posting consumption or purchase postings.

If you have access to see your development environment you can look at which table is locked and who is locking it. Then it can be visible what that user was doing as compared to whoever locked the table.
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