[Other] Fire red PKSV movement script

[Frownyface77]

ROM:Fire Red
Tool: PKSV
I made a script that activates upon touching an area, but the game freezes when stepping on said area (Advance map editor script event) Please help.

Spoiler:

#org 0x81666FE
'-----------------------------------
lock
checkflag 0x7304
if true jump 0x8740A78 ' Flag is set
applymovement 0x3 0x8740A7A ' walk_down walk_down ...
pauseevent 0x0
message 0x8740A81
callstd MSG_LOCK ' Built-in lock command
message 0x8740BA1
callstd MSG_LOCK ' Built-in lock command
message 0x8740CC2
callstd MSG_LOCK ' Built-in lock command
applymovement 0x3 0x8740D29 ' walk_up walk_left wa...
pauseevent 0x0
disappear 0x3
setflag 0x7304
release
end

#org 0x8740A78
'-----------------------------------
release
end


#org 0x8740A81
= Test

#org 0x8740BA1
= Test

#org 0x8740CC2
= Test

#org 0x8740A7A
M walk_down walk_down walk_down walk_right walk_right walk_right walk_down end

#org 0x8740D29
M walk_up walk_left walk_left walk_left walk_up walk_up walk_up walk_up end

 

[Frownyface77]

EDIT: I also tried changing the UNKNOWN value in AME from $00 to $03. Nothing happened differently.