Changing game mode or instance from project settings crashes editor

Development Platform & Builds
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1

Like i say in title, but it only happens after i open another map from content browser, because opening another map resets my game instance from project. When i try to change it, it says “Rebuilding project hierarchy” and crashes without any error.

Unreal Engine 4.8.1
Windows 8.1

2

Now it’s almost imposible for me to continue to work on my game.

3

I find similar problem here, drakky says he can’t produce same. I couldn’t before 2-3 days, but now it happens any time i try to click game instance dropdown menu on project settings. Only difference from that thread i get “Rebuilding project hierarchy” window.

4

Well any words on this? I tried deleting saved and intermediate folders but it still crashes every time.

5

Hi theknoppix,

This is a known issue in 4.8.1 as reported here:

We have a fix that should be released as a hotfix in near future. There are some workarounds on that post that should help you until then.

6

Thanks for information.

7

Happens same to me. A workaround I found was to open GameMode Blueprint and open one of dropdown menus (for example, Default Pawn Class). From there on, nothing crashes until your next restart (where you’ll need to do this again).

8

Modifying defaultengine.ini fixed my problem. I think it’s better workaround for now but i don’t know it would work or not for you. Btw thanks for that workaround too, i’ll keep that in mind.

9

What was your workaround? I’m using 4.9.2 and im having this issue. Thanks

10

I was referring to IMC.Wander’s workaround but i remember that i solved it by setting my game instance from defaultengine.ini file.

I hope that solves your problem.

11

Just open your custom GameMode Blueprint and, in settings, open one of dropdown menus such as Default Pawn Class. Then, it shouldn’t crash once you try to change GameMode in World Settings.

This problem stopped happening to me I think with 4.9 or something, however.

12

Hi bryst_m153,

This issue was fixed in 4.8.2 hotfix, and should not be happening in 4.9. I believe that you’re experiencing something different, and I’d like you to open a new post in Bug Reports section with as many details as you can provide, including some step-by-step instructions for reproducing it in a new project in 4.9. Thank you!