Zombies crashes mid-load

[oamarfaolan]

Every time I try to play a nazi zombie map, no matter if it's official or custom, the map loads about half-way and then crashes, telling me there is a server script compile error and to check my console. Some maps give me an error telling me server script compile error if(player hasperk("specialty_fastreload").

Any ideas how I can fix this?
Attached are screenshots of the console from both errors.

Thanks in advance.