Mythic Mobs command skill not working

I can't seem to find the problem here, these 2 skills won't work, command and message ones. I'm on a 1.8.8 spigot minecraft server and using MythicMobs 4.0.1, please help!
Skills:
- skill{s=FireBallBarrage} @target ~onTimer:300
- skill{s=WitheringNova} @self ~onTimer:1200
- skill{s=ElectricPulse} @NearestPlayer{r=10} ~onTimer:500
- skill{s=BlindingNova} @self ~onTimer:600
- command{c="eco give @p 30000"} @NearestPlayer{r=30} ~onDeath
- message{m="&6@p &ehas conquered a...

Mythic Mobs command skill not working