[Toroi]

If you declared this:

Код:

new ip[16];

lowercase, why do you call for it:

Код:

GetPlayerIp(playerid, IP[playerid], 16);

uppercase?

Also, why did you put [playerid] on side of it? It should be:

Код:

GetPlayerIp(playerid,ip,16);

https://sampwiki.blast.hk/wiki/GetPlayerIp

Please, read some documentation and try to figure out your own problems, you have 1,547 posts yet you can't solve a simple warning by yourself? You need to put effort into it.