[UNSOLVED] Async Flush Packaging Issue in UE5.0

Hello everyone! Not sure what to do here. I made my game in blueprints but the error is mentioning .cpp. I packaged my game. I had my game originally made in UE4.26 and it was working fine. I upgraded to UE5.0, and it is iffy.

For one thing when I package my game it works, and I play it and it works. But if I close that first game and load again I’m getting this error.

The UE5-Lockes_TheThief Game has crashed and will close 5_27_2022 10_35_27 PM

If I package all over again it does the same: works once but if I close it and try to open it it does that error.

I don’t know why it is mentioning cpp. I’m not the best coder either so I don’t know how to debug. But I can say there were some errors at first that kept the game from cooking and packaging that I guess I fixed. I am just not sure what to do about asyncs and flushing and such. I’ve looked it up and can’t find anything UE5 related, some things were 4.17 or something like that.

Anyway any help would be greatly appreciated. I hope I don’t have to revert back to 4.26 because something tells me it would cause new errors. I know it is a bad idea to upgrade versions in the middle of development, but I couldn’t help myself as 5.0 looked so enticing…

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Did this ever get solved? I’m having a similar issue. Same error code and message, though it’s just any time I try to launch the game in a build.

You know, I don’t even remember it has been so long…I’m not even sure if I ever solved the problem or not as I don’t even remember it and I’m on a new project. Sorry X_X