Editor.log warnings
The referenced script (Unknown) on this Behaviour is missing!
(Filename: C:\buildslave\unity\build\Runtime/Scripting/ManagedReference/SerializableManagedRef.cpp Line: 199)
The referenced script on this Behaviour (Game Object 'Main Camera') is missing!
(Filename: C:\buildslave\unity\build\Runtime/Mono/ManagedMonoBehaviourRef.cpp Line: 334)
The referenced script (Unknown) on this Behaviour is missing!
(Filename: C:\buildslave\unity\build\Runtime/Scripting/ManagedReference/SerializableManagedRef.cpp Line: 199)
The referenced script on this Behaviour (Game Object 'SeekBkwdBtn') is missing!
(Filename: C:\buildslave\unity\build\Runtime/Mono/ManagedMonoBehaviourRef.cpp Line: 334)
The referenced script (Unknown) on this Behaviour is missing!
(Filename: C:\buildslave\unity\build\Runtime/Scripting/ManagedReference/SerializableManagedRef.cpp Line: 199)
The referenced script on this Behaviour (Game Object 'Canvas') is missing!
(Filename: C:\buildslave\unity\build\Runtime/Mono/ManagedMonoBehaviourRef.cpp Line: 334)
The referenced script (Unknown) on this Behaviour is missing!
(Filename: C:\buildslave\unity\build\Runtime/Scripting/ManagedReference/SerializableManagedRef.cpp Line: 199)
The referenced script on this Behaviour (Game Object 'SeekFwdBtn') is missing!
(Filename: C:\buildslave\unity\build\Runtime/Mono/ManagedMonoBehaviourRef.cpp Line: 334)
The referenced script (Unknown) on this Behaviour is missing!
(Filename: C:\buildslave\unity\build\Runtime/Scripting/ManagedReference/SerializableManagedRef.cpp Line: 199)
The referenced script on this Behaviour (Game Object 'PlayPauseButton') is missing!
(Filename: C:\buildslave\unity\build\Runtime/Mono/ManagedMonoBehaviourRef.cpp Line: 334)
The referenced script (Unknown) on this Behaviour is missing!
(Filename: C:\buildslave\unity\build\Runtime/Scripting/ManagedReference/SerializableManagedRef.cpp Line: 199)
The referenced script on this Behaviour (Game Object 'StopBtn') is missing!
(Filename: C:\buildslave\unity\build\Runtime/Mono/ManagedMonoBehaviourRef.cpp Line: 334)
location C:\Users\Me\AppData\Local\Temp\Unity\Editor\Crashes
(even if this doesn't crash anything).