unityでビルドしたら黒いエラー画面が出てきてしまう

EXE形式でビルドしたら立ち上げたらゲーム画面の音楽はかかりますが下記のコードと共に黒い画面が出てきてしまいます。分かる方の解答をお待ちしております。

Mono
1Mono config path = 'C:/Users/a3175412/Desktop/MonoBleedingEdge/etc'
2PlayerConnection initialized from C:/Users/a3175412/Desktop/202009251001_Data (debug = 0)
3PlayerConnection initialized network socket : 0.0.0.0 55449
4Multi-casting "[IP] 172.30.65.3 [Port] 55449 [Flags] 2 [Guid] 3690323081 [EditorId] 3273327003 [Version] 1048832 [Id] WindowsPlayer(S4OPAE21) [Debug] 0 [PackageName] WindowsPlayer [ProjectName] 202009251001" to [225.0.0.222:54997]...
5Started listening to [0.0.0.0:55449]
6PlayerConnection already initialized - listening to [0.0.0.0:55449]
7Initialize engine version: 2019.4.11f1 (2d9804dddde7)
8[Subsystems] Discovering subsystems at path C:/Users/a3175412/Desktop/202009251001_Data/UnitySubsystems
9Forcing GfxDevice: Null
10GfxDevice: creating device client; threaded=0
11NullGfxDevice:
12Version: NULL 1.0 [1.0]
13Renderer: Null Device
14Vendor: Unity Technologies
15Begin MonoManager ReloadAssembly
16- Completed reload, in 0.689 seconds
17Microsoft Media Foundation video decoding to texture disabled: graphics device is Null, only Direct3D 11 and Direct3D 12 (only on desktop) are supported.
18UnloadTime: 0.425200 ms
19コード