Can't get it to work

Not sure what I'm doing wrong here.
Just installed, have not changed anything in config.

Permissions is there.
 

Ok, I got it to work on a different server but it still just looks like a chair?
I get this in console:

 

(21:44:46) | Couldn't find prefab "assets/prefabs/weapons/rocketlauncher/cny_dragonlauncher/rocket_launcher_dragon.entity.prefab"

(21:44:46) | Failed to call hook 'OnEntitySpawned' on plugin 'CatapultSeat v1.0.1' (NullReferenceException: Object reference not set to an instance of an object)

at Oxide.Plugins.CatapultSeat+BuildManager.CreateEntity (System.String prefabName, UnityEngine.Vector3 position, UnityEngine.Quaternion rotation, System.UInt64 skinId, System.Boolean enableSaving) [0x0000e] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CatapultSeat+BuildManager.CreateDecorEntity (System.String prefabName, UnityEngine.Vector3 position, UnityEngine.Quaternion rotation, System.UInt64 skinId, System.Boolean enableSaving) [0x00000] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CatapultSeat+BuildManager.SpawnChildEntity (BaseEntity parrentEntity, System.String prefabName, UnityEngine.Vector3 localPosition, UnityEngine.Vector3 localRotation, System.UInt64 skinId, System.Boolean isDecor, System.Boolean enableSaving) [0x00031] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CatapultSeat+CatapultChair.BuildChair () [0x000a6] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CatapultSeat+CatapultChair.Init (BaseMountable baseMountable, Oxide.Plugins.CatapultSeat+ChairCatapultConfig chairConfig, Oxide.Plugins.CatapultSeat+CatapultConfig catapultConfig) [0x00025] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CatapultSeat+CatapultChair.AttachPilotSeatCatapult (BaseMountable baseMountable, Oxide.Plugins.CatapultSeat+ChairCatapultConfig catapultChairConfig) [0x00047] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CatapultSeat.OnEntitySpawned (BaseChair baseChair) [0x000af] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CatapultSeat.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00261] in <db16cc6f71b2492d8d316fd62958f36a>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <42f9bedc659b4f4786eb778d3cd58968>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <15f61ddda771464d8246ebdce8ff4811>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <15f61ddda771464d8246ebdce8ff4811>:0