Flashing Light Issue

I have been working on a project for about a month now, when I went on unreal engine today the level looks like this and is unplayable. I would really want to know how to fix this please any advise is welcome.

Have you updated your GFX driver recently? Do you have too much foliage in the level? Are you using dynamic or static lighting?

I have the latest drivers for my graphic card and yes I do have allot of foliage and im using dynamic lighting.

Hi Yuness27,

Can you try going to the viewport > select show > select Use Defaults. If there was potentially anything turned on by mistake in here this should reset back to defaults if that was the root cause.

If that doesn’t help:

Is this only occurring in this particular level or if you create a new level does the same thing happen?

Have you done anything lately right before the issue started happening?

Thank you!

Tim