Updated Project from 4.27.2 to 5.2.1, Crashing on startup.

General Issues and Bug Reporting
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1

title, not sure what I need to do to fix this, any pointers appreciated

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2

I mean everything ?? There are lots of breaking change from 4.27 to 5.2.

  1. you have to check all of your plugins. just open a new 5.2 project and install 5.2 versions of your plugins.
  2. after that copy all of them to your old project.
  3. delete project’s binary and intermediate folders.
3

hi @eray_ozr
the error is from uUE three 3
UDK | KismetExamples (unrealengine.com)
You need to convert ue 3 kismet to ue4 blueprint,by hand before trying to convert to ue5