Shop can't be used in WorldGuard 7 protected region

[FildCommander]

Bug details

Describe the bug
When a user try's to access a shop inside a WorldGuard protected region nothing happens.
The Server logs show java exceptions.

No slabbo related flags can be set in WorldGuard.

WorldGuard Plugin was loaded before Slabbo. Only deprecated warnings for Slabbo (see Screenshoots) and no warnings or errors for WorldGuard Plugin.

To Reproduce
Steps to reproduce the behavior:

1. Create Slabbo Shop as OP
2. Protect Region with WolrdGuard
3. Set Flags as followed:

• build: allow
• chest-access: deny
• block-break: deny
• block-place: deny

Expected behavior
User's can access shop.

Screenshots
If applicable, add screenshots to help explain your problem.

Error message when interacted as User:

Deprecated warning:

Runtime Configuration

Slabbo Version: 1.0.43

Server Software: Paper

Server Version: 1.20.1-170

WorldGuard: 7.0.9

[Sven65]

Interesting bug, will look into when I've got the time :) Strange behaviour with flags not being settable.