I can't equip M9K

i used new M9K Plugin , but i can't equip M9K weapon

Error is :
[NutScript] Item 'm9k_299r' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_73winchester' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_acr' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_ak47' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_ak74' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_amd65' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_auga3' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_colt1911' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_deagle' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_f2000' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_fal' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_famas' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_g36' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_g3a3' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_glock' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_hk45' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_l85' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_m4a1' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_m92' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_scar' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_tar21' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_usp' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_val' has a non-existent base! (base_weapon)
[NutScript] Item 'm9k_vikhr' has a non-existent base! (base_weapon)

What should i do?