Unknown reason for crash

adding lighting, halfway through autosave it crashed went to reopen and will not.
Uploaded pic of error report what does this mean??
its my uni project that’s due in tomorrow so any help would be great thankyou


Hey devonjadexo,

I’ve assigned a member of our support staff to look into this for you, and they’ll post here if they need additional information. In meantime, please logs from project’s \Saved\Logs folder and attach them here in a reply.

I would also recommend deleting intermediate folder and attempting to restart project.

tried to open again and received


Hello devonjadexo -

This particular crash has been fixed in 4.9. If you want just fix and are running source, you can find Fix for this crash at following commit on Github:


Otherwise you will need to upgrade to 4.9 to correct this issue.

Thank You

Eric Ketchum