Grief Prevention Not working

Hi im having issues to where Grief prevention is not working at all i can see all the permissions in luck perms and i added them to my owner rank but i still cant do anything with it. like even when i try to claim with a golden shovel nothing happens.

GP is no longer updated. Look up GriefDefender

can you send me a link for grief defender cant find it.

You have to buy it on spigot, you can also look up their community discord to get free precompiled jars