After reboot my computer, none of the saved maps works.
Yesterday I saved the project with the map and I shutdown my computer. Next day, when i opened my project, I got this message: "Assertion failed: Existing.Linker->ExportMap[Existing.LinkerIndex].Object==this [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectLinker.cpp] [Line: 107]". If I try open my map from the backup, I'll get message: "Failed to load assets". Also I created a new project with this content but I got the same effect. Can you help me? Thank you in advance! If you want a screenshot, just say.
try to build the light and press the save all
answered Apr 12 '19 at 02:12 PM
I found a solution that worked for me, following these steps :
-Duplicate your whole project so you don't modify your main project directly.
-Open the copy directory, open folder Content
-Move the assets you suspect to make your editor crash in another folder (move them to Desktop is fine, for me it was Widget, so i moved the widget.uasset to my desktop)
-Then try to open your project, if it don't crash you can start to replace your assets one by one until this crash again, this way you can isolate the asset make your editor crash and replace it by an older version of the asset (if you have a save) or recreate it.
Hope this help ;)
Have you found any clear reason why this is happening?
It has happened twice to my project this week.
On the first time I found that it was caused by three UI's. I removed and remade them, and the problem went away.
Today I restarted the editor and this issue came back. Luckily I had a just commited to my version control software and was able to roll back.
answered Aug 13 '19 at 09:02 PM
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