никикики, include zp_level_system не хватает, вот и не дает
Если компилируешь локально, в папку include закинь
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(1623) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(1624) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(1637) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(1638) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(1651) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(1652) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5087) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5088) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5140) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5141) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5198) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5199) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5302) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5303) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5367) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5368) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5379) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5380) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5899) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(5900) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(7449) : error 017: undefined symbol "set_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(7450) : error 017: undefined symbol "show_dhudmessage"
// C:\Users\User\Desktop\Compiler amxmodx 1.8.3\zombie_plague40 (2).sma(8368) : error 017: undefined symbol "show_dhudmessage"
//
// 23 Errors.
// Could not locate output file compiled\zombie_plague40 (2).amx (compile failed).
//
// Compilation Time: 1,55 sec
// ----------------------------------------
Press enter to exit ...
ВООБЩЕ нечего не понимаю