And still Little question

HOw I can add more classes i try change #define MAX_CLASS 8 to 20 compile .sma add some my defined zombies and bugs. Screen here
[IMG]http://img98.**************/img98/6716/helppg8.th.png[/IMG]
BTW how my friend download from server my sky, i change sky but he have still blue nice sky without blood.
Invisible zombie downloaded from this forum.
this is invis zombie errors,
PHP Code:
Error: Undefined symbol "fully" on line 47
Error: Number of arguments does not match definition on line 47
Error: Invalid function or declaration on line 78
3 Errors.
Could not locate output file ******invis.amx (compile failed).
And have question

can do invisible zombie, normal and in "some times" he transform into invisible zombie(play some sound like stealth.wav from World of Warcraft)and in this form be few second and turn back? If it's so hard do ignore it

This is only my expression.

And i want change hands of zombie and g_zombie_model changes only of first person view for other players hand looks normal how i can fix it?
[IMG]http://img98.**************/images/thpix.gif[/IMG]