all compiler errors have to be fixed before entering play mode

Questions & Answers
1

how do i fix this error-
Assets/Standard Assets/Effects/ImageEffects/Scripts/Antialiasing.cs(20,45): error CS1525: Unexpected symbol )', expecting (‘, ,', {’, or `where’

2

You gotta be kidding… It is a syntax error mate. Double click on the error in the console and correct it

3

Update your Image Effects!

Somebody messed u with the code of that script, you can correct it, OR just delete the Image Effects folder and Download it again.

Hope it works