24.04 18:59:36 [Server] INFO Caused by: java.lang.IllegalArgumentException: Unknown or invalid command '/give @p written_book{pages:["[\"\",{\"text\":\"CR Pack\\n\",\"color\":\"aqua\",\"bold\":true},{\"text\":\"Spell Books:\\n\",\"color\":\"dark_aqua\",\"bold\":true,\"underlined\":true},{\"text\":\"\\n\",\"color\":\"none\",\"bold\":false,\"underlined\":false},{\"text\":\"Spell books are created by through throwing a knowledge book onto the magic table. You can cast a spell by right clicking on the spell book. There are currently over 20 different spells.\",\"color\":\"none\"}]","[\"\",{\"text\":\"How to Make Spells:\\n\",\"color\":\"aqua\",\"bold\":true,\"underlined\":true},{\"text\":\"\\n\",\"color\":\"none\",\"bold\":false,\"underlined\":false},{\"text\":\"- Drop a knowledge book on top of a magic table.\\n\",\"color\":\"none\"},{\"text\":\"- After a short animation you will receive a random spell.\\n\",\"color\":\"none\"},{\"text\":\"- If you want a specific spell, drop the specific mythical item after the knowledge book. \",\"color\":\"none\"}]","[\"\",{\"text\":\"Mana:\\n\",\"color\":\"aqua\",\"bold\":true,\"underlined\":true},{\"text\":\"\\n\",\"color\":\"none\",\"bold\":false,\"underlined\":false},{\"text\":\"- Each spell requires a certain amount of mana.\\n\",\"color\":\"none\"},{\"text\":\"- The max amount of mana you can have is 100 and it will regenerate over time.\\n\",\"color\":\"none\"},{\"text\":\"- Mana will display in your actionbar when you hold a spell book.\",\"color\":\"none\"}]","[\"\",{\"text\":\"Spell List:\\n\",\"color\":\"aqua\",\"bold\":true,\"underlined\":true},{\"text\":\"\\n\",\"color\":\"none\",\"bold\":false,\"underlined\":false},{\"text\":\"- The rest of this book will list all of the spells in the datapack.\\n\",\"color\":\"none\"},{\"text\":\"- Each spell will have a description, how much mana it requires, and what mythical item it can be crafted with.\\n\",\"color\":\"none\"},{\"text\":\"- However, not all spells can be crafted with a mythical item.\",\"color\":\"none\"}]","[\"\",{\"text\":\"1. \",\"color\":\"aqua\",\"bold\":true},{\"text\":\"Teleport:\\n\",\"color\":\"dark_purple\",\"bold\":true,\"underlined\":true},{\"text\":\"\\n\",\"color\":\"none\",\"bold\":false,\"underlined\":false},{\"text\":\"Mana Cost: \",\"color\":\"none\"},{\"text\":\"30%\\n\",\"color\":\"blue\"},{\"text\":\"Mythical Item:\\n\",\"color\":\"none\"},{\"text\":\"Unknown Element\\n\",\"color\":\"gold\"},{\"text\":\"\\n\",\"color\":\"none\"},{\"text\":\"- Teleports you forward 15 blocks allowing you to travel through walls and floors.\",\"color\":\"none\"}]","[\"\",{\"text\":\"2. \",\"color\":\"aqua\",\"bold\":true},{\"text\":\"Damage Shield:\\n\",\"color\":\"green\",\"bold\":true,\"underlined\":true},{\"text\":\"\\n\",\"color\":\"none\",\"bold\":false,\"underlined\":false},{\"text\":\"Mana Cost: \",\"color\":\"none\"},{\"text\":\"25%\\n\",\"color\":\"blue\"},{\"text\":\"Mythical Item:\\n\",\"color\":\"none\"},{\"text\":\"Emerald Cow Hide\\n\",\"color\":\"gold\"},{\"text\":\"\\n\",\"color\":\"none\"},{\"text\":\"- Blocks all of the damage next time you are attacked.\",\"color\":\"none\"}]"],title:"Spell Books V1",author:"CR Pack"}' on line 1 (did you mean 'give'? Do not use a preceding forwards slash.)