Bug: Painting NPC Instantly disconnects players near them

### In which plugin has the error occurred?

FancyNpcs

### What happened?

Changed the type of the NPC to a painting and i was instantly kicked because of a Network Error.

### In which software has the error occurred?

Paper

### Plugin version

2.6.0.278

### Server version

1.21.6

### Relevant log output

```shell
[14:26:36 INFO]: LaicosVK joined the game
[14:26:36 INFO]: LaicosVK[/176.5.52.220:49761] logged in with entity id 1049 at ([SkyblockDatapack]22.11961293612684, 81.03590072266037, 6.663287019783414)
[14:26:36 INFO]: [voicechat] Received secret request of LaicosVK (18)
[14:26:36 INFO]: [voicechat] Sent secret to LaicosVK
[14:26:36 INFO]: [voicechat] Successfully authenticated player 113f39f8-947d-4a0d-b92d-ce9826030e66
[14:26:37 INFO]: LaicosVK lost connection: Disconnected
[14:26:37 INFO]: [voicechat] Disconnecting client LaicosVK
[14:26:37 INFO]: LaicosVK left the game
```

```shell
853a74bc-3c8f-4cb2-a551-6c6d95cc35ce:
name: 1_end
creator: 113f39f8-947d-4a0d-b92d-ce9826030e66
displayName: Rainbow
type: PAINTING
location:
world: SkyblockDatapack
x: 23.659840255837036
y: 82.1176614608523
z: 5.465994947890695
yaw: 115.33145
pitch: 37.35003
showInTab: false
spawnEntity: true
collidable: true
glowing: false
glowingColor: white
turnToPlayer: true
turnToPlayerDistance: -1
interactionCooldown: 0.0
scale: 1.0
visibility_distance: -1
skin:
mirrorSkin: false
```