[Lordzy]

It's because you got higher stack size which also means the size of an array you declared. For example, if you're doing like this under a callback:

pawn Код:

public OnPlayerConnect(playerid)
{
    new myArray[1000], myArray2[2000], myArray3[3000]; //In case if arrays of big sizes are declared, such message will be given.
    return 1;
}

You can also avoid it warning using #pragma dynamic <size>