HTML5/WebGL: Game Not loading or frequent crashes

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ERRORNullReferenceException: Object reference not set to an instance of an object.
goes to grey screen
ID # 658541954
2021-01-24 20:53:00.973 INFOCheckpoint-B-000 - Initialized
2021-01-24 20:53:00.976 LOGFT Client Services Inited.
2021-01-24 20:53:01.013 LOGSessionId: 241453
Browser: Blink: Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36
WebGL Supported and Enabled. Type: WebGL 1.0
GPU-Vendor: Google Inc.
GPU-Renderer: ANGLE (Intel(R) HD Graphics Direct3D9Ex vs_3_0 ps_3_0)
2021-01-24 20:53:01.245 LOGWarning: Your browser does not support "WebGL 2.0" Graphics API, switching to "WebGL 1.0"
2021-01-24 20:53:07.666 LOGLoading player data from data.unity3d
2021-01-24 20:53:07.777 LOGInitialize engine version: 2020.2.1f1 (270dd8c3da1c)
2021-01-24 20:53:07.783 LOGCreating WebGL 1.0 context.
2021-01-24 20:53:07.826 LOGRenderer: WebKit WebGL
2021-01-24 20:53:07.831 LOGVendor: WebKit
2021-01-24 20:53:07.836 LOGVersion: OpenGL ES 2.0 (WebGL 1.0 (OpenGL ES 2.0 Chromium))
2021-01-24 20:53:07.841 LOGGLES: 2
2021-01-24 20:53:07.847 LOGebug_renderer_info GL_WEBGL_debug_renderer_info WEBGL_debug_shaders GL_WEBGL_debug_shaders WEBGL_depth_texture GL_WEBGL_depth_texture WEBKIT_WEBGL_depth_texture GL_WEBKIT_WEBGL_depth_texture WEBGL_lose_context GL_WEBGL_lose_context WEBKIT_WEBGL_lose_context GL_WEBKIT_WEBGL_lose_context WEBGL_multi_draw GL_WEBGL_multi_draw
2021-01-24 20:53:07.858 LOGOPENGL LOG: Creating OpenGL ES 2.0 graphics device ; Context level ; Context handle 41565784
2021-01-24 20:53:19.957 INFOMemoryStats: WebGL 1.0 WebGL Mem: 17/128 MB Video Mem: 512 MB
2021-01-24 20:53:20.041 LOGInput Manager initialize...
2021-01-24 20:53:20.067 INFOCheckpoint-U-30 - Bootloader.Init Start - Mem: 18/128 MB
2021-01-24 20:53:20.298 INFOCheckpoint-U-31 - Init Loading Screen - Mem: 19/128 MB
2021-01-24 20:53:20.322 INFOCheckpoint-U-32 - Init AssetRegistry - Mem: 19/128 MB
2021-01-24 20:53:20.852 INFOCheckpoint-U-33 - Download Play Bundles - Mem: 20/128 MB
2021-01-24 20:53:20.905 INFOCheckpoint-U-34 - Init Local Storage - Mem: 20/128 MB
2021-01-24 20:53:20.933 INFOCheckpoint-U-35 - Init FlashVars - Mem: 20/128 MB
2021-01-24 20:53:21.052 INFOCheckpoint-U-40 - Init HUD - Mem: 20/128 MB
2021-01-24 20:53:24.415 INFOCheckpoint-U-45 - Init Farm Controller - Mem: 28/128 MB
2021-01-24 20:53:24.527 INFOCheckpoint-U-50 - Processing Params - Mem: 28/128 MB
2021-01-24 20:53:24.933 INFOCheckpoint-U-51 - Init Sub Controllers - Mem: 28/128 MB
2021-01-24 20:53:25.110 INFOCheckpoint-U-52 - Init Preferences - Mem: 28/128 MB
2021-01-24 20:53:25.130 INFOCheckpoint-U-53 - Load Prefs into UI - Mem: 28/128 MB
2021-01-24 20:53:25.159 INFOCheckpoint-U-54 - Init Engine - Mem: 28/128 MB
2021-01-24 20:53:25.192 INFOCheckpoint-U-55 - Init ItemDefs - Mem: 28/128 MB
2021-01-24 20:53:25.580 LOGUsing Facebook Unity SDK v8.1.1 with FBJSSDK/v8.0 FBUnityWebGL/8.1.1
2021-01-24 20:53:26.991 ERRORNullReferenceException: Object reference not set to an instance of an object