The program noticed me this error
ERROR!!! :: ############################################################################################
FATAL ERROR in
action number 1
of Step Event0
for object obj_player:


Variable obj_player.rigth_key(100005, -2147483648) not set before reading it.
at gml_Script_scr_move_state (line 5) - xaxis = (rigth_key - left_key);
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Script_scr_move_state (line 5)
called from - gml_Object_obj_player_StepNormalEvent_1 (line 2) - scr_move_state();



the code is
/// scr_move_state
scr_get_input();

// get the axis
var xaxis = (rigth_key - left_key);
var yaxis = (down_key - up_key);

// get direction
var dir = point_direction(0, 0, xaxis, yaxis);

// get the length
if (xaxis == 0 and yaxis = 0) {
len = 0;
} else {
len = spd;

}

// get the hspd and vspd
hspd = lengthdir_x(len, dir);
vspd = lengthdir_y(len, dir);

// move
phy_position_x += hspd;
phy_position_y += vspd;

// Control the sprites
image_speed = .2;
if (len == 0) image_index = 0;


// Vertical Sprites
if (vspd > 0) {
sprite_index = spr_player_down;
} else if (vspd < 0) {
sprite_index = spr_player_up;
}

// Horizontal Sprites
if (hspd > 0) {
sprite_index = spr_player_right;
} else if (hspd < 0) {
sprite_index = spr_player_left;
}




Somebody can help me? i really dont know what is happening.