What does this error mean

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When the game is complete the loading I got this error I don’t know how can I fix it
Game name:capgras
Type: rpg maker vx ace
Log file:

logs.txt

11kB

Joiplay version:1.20.580
Rpg maker plugin version: 1.21.31

g_f_y

Using unpacked scripts.

Why scripts are unpacked? Remove /Data/UnpackedScripts.rbl file and /Data/UnpackedScripts/ folder
Do not use Unpack Scripts option unless you know what you’re doing

Executing script fullscreen script
Script ‘fullscreen script’ line 2: NoMethodError occured.

undefined method `sym’ for #<Hash:0xb4000079dcdf12d0>

Extract preload.rb in the game folder

new-fake-cfunc-preload.zip

2kB