Arrows wich traded by a villager doesn´t work

If I trade with a custom Villager arrows and try to use them, nothing happen (with bow.) Please look at the Command and say whats wrong or why the bows doesn´t take the arrows

I really don´t hope that my map is now broken. 

Command Villager: /summon villager -78 110 5 {OnGround:0b,Silent:1b,Invulnerable:1b,CustomNameVisible:1b,Team:"Blau",VillagerData:{profession:"nitwit","type":"plains"},CustomName:"{\"text\":\"Waffen Shop\"}",Offers:{Recipes:[{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:iron_ingot",Count:5b},sell:{id:"minecraft:wooden_sword",Count:1b,tag:{HideFlags:5,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1}]}}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:iron_ingot",Count:15b},sell:{id:"minecraft:stone_sword",Count:1b,tag:{HideFlags:5,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1}]}}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:gold_ingot",Count:8b},sell:{id:"minecraft:iron_sword",Count:1b,tag:{HideFlags:5,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1}]}}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:diamond",Count:3b},sell:{id:"minecraft:diamond_sword",Count:1b,tag:{HideFlags:5,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1}]}}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:diamond",Count:7b},sell:{id:"minecraft:diamond_sword",Count:1b,tag:{display:{Name:"{\"text\":\"OP Diamant Schwert\",\"color\":\"gold\"}",Lore:["Verzauberungen: Schärfe III , Rückstoß I und Verbrennung I"]},HideFlags:4,Unbreakable:1b,Enchantments:[{id:"minecraft:sharpness",lvl:3},{id:"minecraft:knockback",lvl:1},{id:"minecraft:fire_aspect",lvl:1},{id:"minecraft:vanishing_curse",lvl:1}]}}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:gold_ingot",Count:1b},sell:{id:"minecraft:arrow",Count:4b}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:diamond",Count:2b},sell:{id:"minecraft:bow",Count:1b,tag:{HideFlags:5,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1}]}}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:diamond",Count:7b},sell:{id:"minecraft:bow",Count:1b,tag:{display:{Name:"{\"text\":\"OP Bogen\",\"color\":\"gold\"}",Lore:["Verzauberungen: Stärke III und Flamme"]},HideFlags:4,Unbreakable:1b,Enchantments:[{id:"minecraft:power",lvl:3},{id:"minecraft:flame",lvl:1},{id:"minecraft:vanishing_curse",lvl:1}]}}},{rewardExp:0b,maxUses:2147483647,buy:{id:"minecraft:iron_ingot",Count:13b},sell:{id:"minecraft:stick",Count:1b,tag:{display:{Name:"{\"text\":\"Rückstoß Stock\",\"color\":\"aqua\"}",Lore:["Rückstoß II"]},HideFlags:1,Enchantments:[{id:"minecraft:knockback",lvl:2},{id:"minecraft:vanishing_curse",lvl:1}]}}}]}}

It´s for one of my Minigames 🙂

Sorry if my english isn´t correct 😉