[RMVX] PROBLEM ROCKLEEDUDE MULTIPLE ATTACK SCRIPTS

Hi everyone

I don't know people still using VX
I know i can use ACE VX but I want use VX since already made story this not about story but a script

I'm using Rockleedude script Multiple Attack but get a error


Get this error using KGC_CooperationSkill script trying cast a skill of player but enemy don't this error using CooperationSkill
also i don't where to post this, put this on

here the script i using
KGC_CooperationSkill
Multiple Attack scripts

Hope you can help me.