behind the glass window looks flat/unreal5.1

[leegeenee]

im moving to 5.1 but dont know how to fix this
it was ok in ver5
looks like there is no shadow inside so looks very flat

[anonymous_user_a002689d]

1. Are you using Lumen?
2. Do you have “High Quality Translucency Reflections” enabled?
3. Are you using hardware raytracing in any way?

You may wish to post some screenshots of your glass material as well.

[leegeenee]

thanx jmancoder
i resolved this problem by myself

postprocessvolume → Ray tracing translucency → Refraction → uncheck