Greetings

I started work on a modpack and I decided to use Patchouli as my guide book, but unfortunately I am not very well versed in java,
so please could someone assist this noob with this error

your help would be well appreciated.

this is what is in test entry :

{
"name": "Test Entry",
"icon": "minecraft:writable_book",
"category": "bob_book:test_category",
"pages": [
{
"type": "text",
"text": "This is a test entry, but it should show up!"
}
]
}

and this is in test category :

{
"name": "Test Category",
"description": "This is a test category for testing!",
"icon": "minecraft:writable_book"
}

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