How to show debugging?

So it says f8 but that writes absolutely nothing, i mean nothing important. If there is an error in eg. the 8th line of my code, where i can check that? Just like debugscript 3 in mta?

F8 shows client issues and the server console shows server issues.

Okay, i wasnt paying attention, it actually shows the problem in the f8 console. Sorry for being literally blind.