No config.json file there (that may be part of the problem)
From godot.log (in the logs folder)
Godot Engine v3.5.1.stable.official.6fed1ffa3 - https://godotengine.org
OpenGL ES 3.0 Renderer: Apple M1
Async. shader compilation: OFF
ERROR LOADING CONFIG FILE: 7
Falling back to default config.
Loading GVars state from user://save.json
ERROR LOADING GVARS FROM DISC: 7
ERROR: ERROR @ DIALOG REGISTRY: Error 7 trying to open json (res://Data/Dialogs.json).
at: call (modules/gdscript/gdscript_functions.cpp:775) - ERROR @ DIALOG REGISTRY: Error 7 trying to open json (res://Data/Dialogs.json).
ERROR: ERROR @ DIALOG REGISTRY: Error 7 trying to open json (res://Data/DialogJSON/book_dialogs.json).
at: call (modules/gdscript/gdscript_functions.cpp:775) - ERROR @ DIALOG REGISTRY: Error 7 trying to open json (res://Data/DialogJSON/book_dialogs.json).
