"The library has been modified by another program"

Adding more detail as i’ve done some more testing.

Here’s the version I’m on
JabRef 5.15–2024-07-10–1eb3493
Windows 11 10.0 amd64
Java 21.0.2
JavaFX 22.0.1+7

I created a copy of a small portion of my library, and changed the entry type to one of the custom entry types i set up in preferences. Those items are the ones that are being deleted, though I don’t know if it’s just changes to entry type that are causing it. Everything i’m importing to jabref is coming in as misc or article, even though they are entries from online database or web news articles, so i’m making a ton of changes starting with changing entry type so i can get the right reference detail in my bibilography.

when i try to save, this error bar appears. if i dismiss changes, it deletes any references i’ve made updates to.

when i review changes, i have to accept or deny each item individually. if i accept the refs are deleted. deny does nothing but the file saves and i get the error bar above again.

here’s the library, though i have no idea if it reflects the changes i’ve been making since it’s stuck in this error loop.
CaseStudyLibrary_test.bib (234.4 KB)