Opening an app (database file) for the first time
For our FileMaker 15 users: When you open your app (database) for the first time, you may have to wait a bit while record IDs are cached to your local copy of FileMaker Pro. You'll see a dialog like this:
Depending on the size of the database and the number of records in some of the tables, this process could take a good while—possibly many minutes. Please be patient and let this process run to its conclusion. Caching the IDs like this will speed up operations in the future.