[Joe Staff]

PosX,PosY,PosZ have to be Floats!

SetTimerEx("explosion",10000,0,"iiiii",playerid,po sX,posY,posZ,0,0);
Found in "/Plant" command has to be
SetTimerEx("explosion",10000,0,"ifffi",playerid,po sX,posY,posZ,0,0);

the foward for the callback has to be

forward explosion(playerid,FloatosX,FloatosY,FloatposZ ,X,Y);
public explosion(playerid,FloatosX,FloatosY,Floatos Z,X,Y)