Resolved : Editor 4.18.3 won't start : Assertion failed: OwningNode [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Engine\Classes\EdGraph/EdGraphPin.h] [Line: 419]

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Hello,

Since today, i can’t start my project, editor crash when is loading. I’ve this error :

Assertion failed: OwningNode [File:D:\Build++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Engine\Classes\EdGraph/EdGraphPin.h] [Line: 419]

i’ve tried to delete Save and Intermediate folders, upgrade the project to 4.19 but editor still crashing with same error.

Someone have an idea to fix this issue ?

Thanks.

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2

I’ve found a workaround.
The project was crashing due to a blueprint (don’t know why). I’ve found the blueprint, and with git, i’ve checkout to an older version.
Then the project worked perfectly. After I replaced the blueprint file with the last version (while ue4 running) and compile.
Now everything works well.