Add ON/OFF Cleo by a command

[Cataphract]

Hi all, I wrote a command that enables and disables this script, but when I start the game and enter that command in the text chat, the game totally crashes. what is causing that and how can I fix it? I will upload the original script.

{$CLEO .cs}

0000: NOP

:NONAME_2
wait 0
   SAMP.Available
jf @NONAME_2
wait 8000
//chatmsg "Developed by Xth!ns | vk.com/xthnisofficialpage" color 52479

0@ = 1


0b34: "enable" @my_cmd

:NONAME_77
wait 0
   Actor.Driving($PLAYER_ACTOR)
jf @NONAME_77
20@ = Actor.CurrentCar($PLAYER_ACTOR)
0A97: 0@ = car 20@ struct
0A8E: 1@ = 0@ + 1216 // int
0A8D: 2@ = read_memory 1@ size 4 virtual_protect 1
if or
018F:   car 20@ flipped_for_2_seconds
   not 2@ >= 450.0
jf @NONAME_234
0A8C: write_memory 1@ size 4 value 1000.0 virtual_protect 1
0731: set_car 20@ y_angle_to 0
0699: set_car 20@ repair_tire 1
0699: set_car 20@ repair_tire 2
0699: set_car 20@ repair_tire 3
0699: set_car 20@ repair_tire 4
//chatmsg "Your car repaired" color 10027263

:NONAME_234
jump @NONAME_77

:my_cmd
if 0@ == 1
then 
chatmsg "Disabled"
0@ = 0
else
0@ = 1
chatmsg "Enabled" 
end
cmdret