UEFN crashes on startup or project load.

General Issues and Bug Reporting
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1

My UEFN crashes on startup 50% of the time. If it does load the output log looks like this.

outputlog
outputlog1377×522 118 KB

then when I try and open the project and it crashes it i get this message.

crashmessage
crashmessage2268×396 11.1 KB

2

Thank you for your report! Can you please re-post using the “New Issue” option on the Issues and Bug Reporting forums? Posts with this feature are connected directly into our development team so we can quickly get to them!
For more information, such as how to get the reference ID, please check out the article here: Using the Creative and UEFN Bug Reporting Form

3

Try going to the Epic Games Launcher > Library, selecting the three dots on the Unreal Editor for Fortnite, clicking Manage and in the Launch Options write: -d3d11

That’s what worked for me.

4

This should be fixed, closing as a duplicate and because of the age of the OP.