Instance 'GameManager' already destroyed on application quit

./Hurtworld.x86_64 -batchmode -nographics -exec "host 12871;queryport 13871;maxplayers 60;servername Unconfigured Linux Server" -logfile output.txt

Code:

[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)
[Singleton] Instance 'GameManager' already destroyed on application quit. Won't create again - returning null.
(Filename: /home/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 37)
NullReferenceException: Object reference not set to an instance of an object
at LootSpawner.Update () [0x00000] in <filename unknown>:0
(Filename:  Line: -1)

 

I re-extracted, Linux does not read. Cs plug-in