I'm currently working on a FM7 solution and just something strange happened...In almost every file I got several portals showing whatever and somehow when you create a new record, in two of all these files 1 certain portal appears already with 1 or more filled rows instead of empty as it should! I use to copy the whole database from time to time and work on the most current version. This strange reaction did not appear in any of my drafts until yesterday - but I don't want to go back to an older version, as a kind of workaround for this problem...I can't neither see a reason nor a way to "fix" it...can anybody explain?

I would suspect that when you create a new record, it is somehow linking to existing records in the related table. If you are using an autoenter serial number field as your key field in the parent table, then it's likely that the serial number has gotten set back and is now creating duplicate serial numbers. That's the first thing I would check.