[Konstantinos]

It's sPos, not Spos. You just need only 1 time the above code.

pawn Код:

new
    Float: sPos[ MAX_PLAYERS ][ 3 ]
;
GetPlayerPos(player1,sPos[player1][0],sPos[player1][1],sPos[player1][2]);

If you keep getting errors about sPos already defined (that I doubt), change the name to sPos_