acquaman/acquaman — comment on commit 5051320fc287702b4a7fa3f4f3b3628fcb42e520
File:  line 0
By markboots:

Then the thumbnail save failed. There could be a few explanations for this, but all of them would have been accompanied by an AMErrorMon message as to why. Is it possible that your plugin paths on VESPERS for file loaders weren't set properly at the time? We know that that prevents the thumbnail save from being able to load the raw data from file after the scan is complete. So you'll see the scan appear in the editor while acquiring, but you wouldn't be able to re-load it from the db later [until loading the file loader plugin].

As a test, I'd suggest opening that scan out of the db, changing the note to make it modified, and hitting save. Did it get thumbnails now? What were the error messages?