You're using a version for 1.14 on 1.8.8, use WorldEdit 6.1.9
As for the CraftBook error, update Bukkit.
Technically it is possible. You could just make it the normal block, but because it's under water just make it spawn flowing water beside it, as...
You have both the bat and wolf one in the same entry
As someone who has been involved in the plugin development community since early 2011, this is quite unsettling news. I understand why this is...
That's an issue with Mojang's mp servers, maybe try updating Bukkit
You need ProtocolLib to use those parts of CraftBook.
Try disabling 'advanced-block-checks' in the config, some plugins forcibly stop CraftBook from working. Disabling that makes CraftBook ignore that.
CraftBook can do this.
Inside your config.yml page, enable the mechanics you wish to use. This is listed on the craftbook bukkit page.
What is the exact message it displays? The permission appears to be entered correctly.
Can you please provide screenshots of it? And do you have Vault?
Everything's disabled by default, you have to enable what you want to do, it acts like a dedicated plugin.
The video on that page demonstrates how to create them.
The plugin works in a way that only what you enable is activated, so you can only have...
EssAntiBuild and EssProtect should be removed if you use WorldGuard
Other than that everything looks fine.
Separate names with a comma.