I don't know what is wrong here

Question

I was practicing queues in c# but got stuck in the queue it up code coach. It kept showing the error:
"Cannot convert method group 'ToArray' to non-delegate type 'int[]'. Did you intend to invoke the method?"

This is the code
https://code.sololearn.com/c2g8Cw0Nv9Re/?ref=app
https://code.sololearn.com/c2g8Cw0Nv9Re/?ref=app

Answer 1

You are missing parentheses on the method call ToArray.

q.ToArray()

Answer 2

...

Thanks