[Dripac]

I just don't understand what do these warnings mean

pawn Код:

C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(3009) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(3009) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(3015) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(3015) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7062) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7062) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7083) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7083) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7103) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7103) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7109) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(7109) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(15440) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(15440) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(15813) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(15813) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(15819) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(15819) : warning 219: local variable "lights" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(30541) : warning 219: local variable "doors" shadows a variable at a preceding level
C:\Users\Stefanche16\Desktop\sunsetcity_roleplay\gamemodes\sunsetcity.pwn(30541) : warning 219: local variable "lights" shadows a variable at a preceding level
Pawn compiler 3.2.3664          Copyright (c) 1997-2006, ITB CompuPhase


20 Warnings.