enchantment table

In SkyWars, I tried to combine the enchantments of two swords into a stronger one. However, the anvil kept refusing to give me the sword. Whenever I tried to get it, it appeared in my inventory for a second then went back to the anvil. Is there a reason to that?

In almost every Skywars map the creator adds enchanting items. We should add new kits and new items like bookshelves, enchanting tables, lapis and lapis ore, and XP bottles. This is just an idea and I think we should add it. The kit could be something like an enchanting table, 2 lapis and 2 XP...

So all of a sudden on the desert/minetown map (teams of 4) I noticed that there was an added enchantment table in the center island. However, upon clicking, both the enchantment table and anvil instantly disappear and even their collision disappears (this also happens with the furnaces that were...