Nabeel S.

It doesn't look like any data is lost. I have the db file and the `-log.db` file, if you want to see/examine.

Ok great, thanks. I'm updating to 5.0.2 and going to see if that helps the affected client. Is this code-path unique to upsert?

Sorry - I mean these calls: ``` LiteDB.LiteException: Invalid IndexPage buffer on 0 at LiteDB.Engine.IndexPage..ctor(PageBuffer buffer) ``` Is that only with the upsert? Or would it make the same calls...

Sounds good, thanks!

Done, I will hopefully hear back soon.

I haven't gotten any crash reports since the 12th, I'm glad you're seeing something.

Oh, I just saw your PR for the missing `throw`, perhaps that's why. Also getting crash reports in AppCenter

I'm seeing this: ``` 2020-04-26 21:14:28.5769|ERROR|Acars.App|UnhandledException caught : Invalid Index on 0. Full zero: True. Page Type: Empty. Prev/Next: 0/0. UniqueID: 8. ShareCounter: -1. 2020-04-26 21:14:28.6918|ERROR|Acars.App|UnhandledException StackTrace : at LiteDB.Engine.IndexPage..ctor(PageBuffer...

I'm getting it on this file, trying to read the settings table. Loading it in the GUI shows the error. [settings.zip](https://github.com/mbdavid/LiteDB/files/4566116/settings.zip)

@mbdavid Any updates? Going to have to rip this out and switch to something else if there's no resolution soon. ``` Summary LiteDB.LiteException: Invalid Collection on 0. Full zero: True....