I got this error 
I'm sorry, but an uncaught exception occurred.
While running game code:
  File "game/Script/Ep0/Scene_01.rpy", line 51, in script
    scene s1_18_1 with dissolve
  File "game/modwtasahibito/wtab.rpy", line 617, in execute
  File "game/modwtasahibito/wtab.rpy", line 617, in execute
  File "game/modwtasahibito/wtab.rpy", line 666, in execute
  File "game/modwtasahibito/wtab.rpy", line 674, in execute
  File "game/modwtasahibito/wtab.rpy", line 733, in execute
  File "game/modwtasahibito/wtab.rpy", line 738, in execute
  File "game/modwtasahibito/wtab.rpy", line 745, in execute
  File "game/modwtasahibito/wtab.rpy", line 774, in execute
  File "game/modwtasahibito/wtab.rpy", line 929, in execute
  File "game/modwtasahibito/wtab.rpy", line 953, in execute
  File "game/modwtasahibito/wtab.rpy", line 320, in execute
  File "game/modwtasahibito/wtab.rpy", line 320, in execute
  File "game/modwtasahibito/wtab.rpy", line 324, in execute
  File "game/modwtasahibito/wtab.rpy", line 331, in execute
  File "game/modwtasahibito/wtab.rpy", line 383, in execute
  File "game/modwtasahibito/wtab.rpy", line 384, in execute
  File "game/modwtasahibito/wtab.rpy", line 385, in execute
NameError: Name 'st_gap' is not defined.
-- Full Traceback ------------------------------------------------------------
Full traceback:
  File "game/Script/Ep0/Scene_01.rpy", line 51, in script
    scene s1_18_1 with dissolve
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\ast.py", line 1658, in execute
    renpy.exports.with_statement(trans, paired=paired)
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\exports.py", line 1653, in with_statement
    return renpy.game.interface.do_with(trans, paired, clear=clear)
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\core.py", line 2798, in do_with
    return self.interact(trans_pause=True,
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\core.py", line 3377, in interact
    repeat, rv = self.interact_core(preloads=preloads, trans_pause=trans_pause, pause=pause, pause_start=pause_start, **kwargs) # type: ignore
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\core.py", line 3804, in interact_core
    root_widget.visit_all(lambda i : i.per_interact())
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\core.py", line 582, in visit_all
    d.visit_all(callback, seen)
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\core.py", line 582, in visit_all
    d.visit_all(callback, seen)
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\core.py", line 582, in visit_all
    d.visit_all(callback, seen)
  [Previous line repeated 1 more time]
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\screen.py", line 451, in visit_all
    callback(self)
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\core.py", line 3804, in <lambda>
    root_widget.visit_all(lambda i : i.per_interact())
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\screen.py", line 462, in per_interact
    self.update()
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\display\screen.py", line 653, in update
    self.screen.function(**self.scope)
  File "game/modwtasahibito/wtab.rpy", line 617, in execute
  File "game/modwtasahibito/wtab.rpy", line 617, in execute
  File "game/modwtasahibito/wtab.rpy", line 666, in execute
  File "game/modwtasahibito/wtab.rpy", line 674, in execute
  File "game/modwtasahibito/wtab.rpy", line 733, in execute
  File "game/modwtasahibito/wtab.rpy", line 738, in execute
  File "game/modwtasahibito/wtab.rpy", line 745, in execute
  File "game/modwtasahibito/wtab.rpy", line 774, in execute
  File "game/modwtasahibito/wtab.rpy", line 929, in execute
  File "game/modwtasahibito/wtab.rpy", line 953, in execute
  File "game/modwtasahibito/wtab.rpy", line 320, in execute
  File "game/modwtasahibito/wtab.rpy", line 320, in execute
  File "game/modwtasahibito/wtab.rpy", line 324, in execute
  File "game/modwtasahibito/wtab.rpy", line 331, in execute
  File "game/modwtasahibito/wtab.rpy", line 383, in execute
  File "game/modwtasahibito/wtab.rpy", line 384, in execute
  File "game/modwtasahibito/wtab.rpy", line 385, in execute
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\text\text.py", line 1584, in __init__
    self.set_text(text, scope, substitute)
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\text\text.py", line 1702, in set_text
    i, did_sub = renpy.substitutions.substitute(i, scope, substitute)
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\substitutions.py", line 278, in substitute
    s = formatter.vformat(s, (), kwargs) # type: ignore
  File "/home/tom/ab/renpy-build/tmp/install.linux-x86_64/lib/python3.9/string.py", line 165, in vformat
  File "/home/tom/ab/renpy-build/tmp/install.linux-x86_64/lib/python3.9/string.py", line 205, in _vformat
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\substitutions.py", line 168, in get_field
    obj, arg_used = super(Formatter, self).get_field(field_name, args, kwargs)
  File "/home/tom/ab/renpy-build/tmp/install.linux-x86_64/lib/python3.9/string.py", line 270, in get_field
  File "/home/tom/ab/renpy-build/tmp/install.linux-x86_64/lib/python3.9/string.py", line 227, in get_value
  File "C:\Users\jimtra\Downloads\What_Could_Go_Wrong-Ep2_part_2b-pc\WCgW-Ep2_part_2b-pc\renpy\substitutions.py", line 236, in __getitem__
    raise NameError("Name '{}' is not defined.".format(key))
NameError: Name 'st_gap' is not defined.
Windows-10-10.0.19045 AMD64
Ren'Py 8.0.1.22070801
 Ep2_part_2b
Thu Nov  7 04:45:20 2024