I am having the same error spammed in my server console
Merged post
this is the full error in my logs
Server Exception: Mountable Cycle
at TrainEngine.MeetsEngineRequirements () (at <aaa6925b6b184b63a06688005960c86d>:0)
at VehicleEngineController`1[TOwner].CanRunEngine () (at <aaa6925b6b184b63a06688005960c86d>:0)
at VehicleEngineController`1[TOwner].CheckEngineState () (at <aaa6925b6b184b63a06688005960c86d>:0)
at TrainEngine.VehicleFixedUpdate () (at <aaa6925b6b184b63a06688005960c86d>:0)
at BaseMountable.FixedUpdateCycle () (at <aaa6925b6b184b63a06688005960c86d>:0)
at ServerMgr.FixedUpdate () (at <aaa6925b6b184b63a06688005960c86d>:0)
at UnityEngine.Debug:LogException(Exception, Object)
at ServerMgr:FixedUpdate()
NullReferenceException: Object reference not set to an instance of an object
at TrainEngine.MeetsEngineRequirements () [0x00013] in <aaa6925b6b184b63a06688005960c86d>:0
at VehicleEngineController`1[TOwner].CanRunEngine () [0x00000] in <aaa6925b6b184b63a06688005960c86d>:0
at VehicleEngineController`1[TOwner].CheckEngineState () [0x00008] in <aaa6925b6b184b63a06688005960c86d>:0
at TrainEngine.VehicleFixedUpdate () [0x00012] in <aaa6925b6b184b63a06688005960c86d>:0
at BaseMountable.FixedUpdateCycle () [0x00039] in <aaa6925b6b184b63a06688005960c86d>:0
at ServerMgr.FixedUpdate () [0x00018] in <aaa6925b6b184b63a06688005960c86d>:0
UnityEngine.DebugLogHandler:Internal_LogException(Exception, Object)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
UnityEngine.Logger:LogException(Exception, Object)
UnityEngine.Debug:LogException(Exception, Object)
ServerMgr:FixedUpdate()