Cannot change configs

[IllusoryZephyr]

When changing configs using commands in game, it returns
"An unexpected error occurred trying to execute that command"

I scrolled though the logs and found a possible cause,
"[Server thread/WARN]: Could not read config, using default settings: java.lang.RuntimeException: java.io.FileNotFoundException: C:\Users\illus\AppData\Roaming\PrismLauncher\instances\1.20.4.minecraft\saves\Deep Flat\.\enchantedshulkers.toml (The system cannot find the file specified)"

I went to the saves folder and found "enchantedshulkers.toml", but not in the path the game tried to find. It was in
"C:\Users\illus\AppData\Roaming\PrismLauncher\instances\1.20.4.minecraft\saves\Deep Flat\enchantedshulkers.toml"

There was an extra "\.\" in the path the system tried to find. I'm no expert in modding though. Tried to create a folder named "." but it doesn't work.