UE 4.13.1 crash

Hello All, every time I try to open my UE 4.13.1 project it keeps crashing , each time it shows me the crash window with a huge stack trace starting with the following messgae

Assertion failed: IsImport() [File:D:\Build++UE4+Release-4.13+Compile\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\Linker.h] [Line: 62]

Hi WadeeSami,

We’ll need some more information in order to help you resolve this. When the Crash Reporter window is open please copy your machine ID and post here, then make sure you hit submit to be sure the crash data is sent to our crash reporter site. We are often able to link this to other users crashes to determine the cause.

In the meantime, you can try the following:

  1. Delete the Derived Data Cache folder from the install directory
  2. Delete the Intermediate, Saved and Config folders from the Project Folder. *keep a back up of your Config folder and, if you can restart the editor, you can likely add this back to restore your Project and Editor settings.

Let us know if these steps resolve the issue. If not send the requested information above.

Thanks,

.

Hi WadeeSami,

Since we have not heard back from you in a while, we are marking this post “resolved” for tracking purposes. However, if you are still experiencing frequent crashes in 4.13, please respond with the requested information and we will continue to investigate.

Thanks,

.