Need help for crashUnhandled Exception: EXCEPTION_ACCESS_VIOLATION writing address 0x0000000000000008

Hello,

I have a problem, i modify an event in my gameinstance and i create a new structure, all works well then i stop the editor.

When i try to start the editor now i have this problem (tx link textin attachment)
i put all logs i have in attachment
please help me i work a long time on this project i don’t want to lose it.
Thanks & regardslink text