fix: game crashing on entering some levels

Assets/Scenes/Level3.unity

@@ -268,6 +268,70 @@ PrefabInstance:
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     m_AddedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: ca28c894d7e3a8e4d8feb70b9a8bb1c4, type: 3}
+--- !u!1 &461712683
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
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+  - component: {fileID: 461712684}
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+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!114 &461712684
+MonoBehaviour:
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+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 461712683}
+  m_Enabled: 1
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+  m_Script: {fileID: 11500000, guid: 7a5ac11cc976e418e8d13136b07e1f52, type: 3}
+  m_Name: 
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+  m_Size: {x: 10, y: 10, z: 10}
+  m_Center: {x: 0, y: 2, z: 0}
+  m_LayerMask:
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+    m_Bits: 64
+  m_UseGeometry: 0
+  m_DefaultArea: 0
+  m_GenerateLinks: 0
+  m_IgnoreNavMeshAgent: 1
+  m_IgnoreNavMeshObstacle: 1
+  m_OverrideTileSize: 0
+  m_TileSize: 256
+  m_OverrideVoxelSize: 0
+  m_VoxelSize: 0.16666667
+  m_MinRegionArea: 2
+  m_NavMeshData: {fileID: 23800000, guid: 3d0e0ff361bcb4e4597cc418078273a1, type: 2}
+  m_BuildHeightMesh: 0
+--- !u!4 &461712685
+Transform:
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+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
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 --- !u!1001 &506206182
 PrefabInstance:
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@@ -2234,3 +2298,4 @@ SceneRoots:
   - {fileID: 923663413}
   - {fileID: 623453700}
   - {fileID: 1722346154}
+  - {fileID: 461712685}