NullReferenceException when I start my serverSolved

Hello, when I launch my server with my custom map, I get this error at below.
I tried to launch it without plugins but I still have this error

NullReferenceException
at (wrapper managed-to-native) UnityEngine.Animator.set_cullingMode(UnityEngine.Animator,UnityEngine.AnimatorCullingMode)
at MagnetCrane.ServerInit () [0x00022] in <111cf35a61814291919d99538756ada1>:0
at BaseNetworkable.Spawn () [0x00035] in <111cf35a61814291919d99538756ada1>:0
at BaseEntity.Spawn () [0x00000] in <111cf35a61814291919d99538756ada1>:0
at BaseVehicle.Spawn () [0x00000] in <111cf35a61814291919d99538756ada1>:0
at BaseEntity.SpawnAsMapEntity () [0x00096] in <111cf35a61814291919d99538756ada1>:0
at ServerMgr.SpawnMapEntities () [0x00015] in <111cf35a61814291919d99538756ada1>:0
at ServerMgr.Initialize (System.Boolean loadSave, System.String saveFile, System.Boolean allowOutOfDateSaves, System.Boolean skipInitialSpawn) [0x0002c] in <111cf35a61814291919d99538756ada1>:0
at Bootstrap+<StartServer>d__19.MoveNext () [0x002fb] in <111cf35a61814291919d99538756ada1>:0
at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) [0x00026] in <745c4d442eef4e08b35b5975d62d89d1>:0​

Is it possible that it's something to do with your map?

wXLxOgFUEnSjh1r.png 0x89A

Is it possible that it's something to do with your map?

Yes, I can solve the problem by removing the magnet crane from the map

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