Uncomment this cvars in your config by removing "//" infront of cvar and change number 8 to any value u like.
set g_useralliedrespawntime 8
set g_useraxisrespawntime 8
For warmup do same.
Uncomment g_warmup.
For xpave you didn't created xpave folder as mentioned in NQ wiki. I created it for you.
I fixed your server config. Just give a server restart and see if all works for you. If not please let us know and we will fix it for you