Two modifications allow you to griefer claim, although Create mod protection should work.

• Create Big Cannons
• Valkyrien Skies - Clockwork - Minecraft Mod , Eureka! Ships! for Valkyrien Skies (Forge/Fabric) - Minecraft..., Create: Interactive - Minecraft Mod

Version 1.20.1, Forge loader.

Create Big Cannons are not a part of the base Create mod.
Please create separate issues for separate suggestions.