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Cant play or open most blueprints since updating to 4.18

Hi,

so I have a 4.18 project that is using some c++ but mostly blueprints. Now since updating the project to 4.18 it will crash trying to play in pie or when trying to open most blueprints.

Before updating from 4.17 I made sure that I could package the project. I also used the answer from here(https://answers.unrealengine.com/questions/718575/error-when-updating-to-418-generating-visual-studi.html) to be able to build c++, which dont work unless I did. I also had to go into DefaultEngine.ini and change editor startup map to my main menu map or it wont build.

Now in the editor I can play my main menu map just fine, but trying to change to any other map will crash the editor. If I play in standalone mode instead of pie it wont crash. I also tested to delete my player character with windows explorer and now I play any map but as the flying character class. This seems to explain why main menu is working since it doesnt use the player character in the gamemode settings.

Problem now is that finding out whats wrong with the player character blueprint get quite hard since almost every blueprint will crash when trying to open it or even right clicking it. The only class I actually have found to not crash the editor so far is an almost empty interface.

Another thing is that if I right click on Content folder and select Fix Up Redirectors in Folder the editor will also crash.

Any help is really appreciated, let me know I can add anything to help more. I also have a perforce server so i can test older versions.

Product Version: UE 4.18
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asked Dec 11 '17 at 09:52 AM in Everything Else

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bloons
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Thanks to this post(https://answers.unrealengine.com/questions/727442/crash-in-shipping-release-since-418.html) I tried going into plugins and reenable UDP/TCP and ApexDestruction and then making sure to that compilation manager was enabled. And now it works. Not sure what the problem was.

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answered Dec 13 '17 at 10:07 AM

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bloons
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Try switching Compilation Manager off in the ProjectSettings.

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answered Dec 11 '17 at 10:49 AM

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Everynone
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avatar image bloons Dec 11 '17 at 11:57 AM

Dont think it did anything, its still crashing.

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