NOTE: Wasn't sure where to post this but it was highlighted on the notice that to report immediately to be able to fix.
Error report information
Type: assertion failure
Message: cannot select detached view
Stack: Error at Function.d.ASa (https://editor.construct.net/r210-2/main.js:288:242) at Lb (https://editor.construct.net/r210-2/main.js:201:29) at window.assert (https://editor.construct.net/r210-2/main.js:201:330) at ea.Uq (https://editor.construct.net/r210-2/components/editors/eventSheetView/eventSheetView.js:165:272) at ea.Le (https://editor.construct.net/r210-2/components/editors/eventSheetView/eventSheetView.js:162:387) at ea.Nfd (https://editor.construct.net/r210-2/components/editors/eventSheetView/eventSheetView.js:191:169) at ea.$d (https://editor.construct.net/r210-2/components/editors/eventSheetView/eventSheetView.js:183:311) at HTMLDocument.oe (https://editor.construct.net/r210-2/components/editors/eventSheetView/eventSheetView.js:145:409) at HTMLDocument. (https://editor.construct.net/r210-2/main.js:420:10)
Construct 3 version: r210.2
URL: editor.construct.net
Date: Wed Aug 19 2020 04:04:29 GMT+0800 (Philippine Standard Time)
Uptime: 211993.1 s
Platform information
Browser: Chrome
Browser version: 84.0.4147.125
Browser engine: Chromium
Browser architecture: 64-bit
Context: webapp
Operating system: Windows
Operating system version: 10
Operating system architecture: 64-bit
Device type: desktop
Device pixel ratio: 1.25
Logical CPU cores: 8
Approx. device memory: 4 GB
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36
C3 release: r210.2 (stable)
Language setting: en-US
WebGL information
Version string: WebGL 1.0 (OpenGL ES 2.0 Chromium)
Numeric version: 1
Supports NPOT textures: partial
Supports GPU profiling: no
Supports highp precision: yes
Vendor: Google Inc.
Renderer: ANGLE (AMD Radeon(TM) Vega 8 Graphics Direct3D9Ex vs_3_0 ps_3_0)
Major performance caveat: no
Maximum texture size: 16384
Point size range: 1 to 256
Extensions: ANGLE_instanced_arrays, EXT_blend_minmax, EXT_color_buffer_half_float, EXT_float_blend, EXT_frag_depth, EXT_shader_texture_lod, EXT_texture_filter_anisotropic, WEBKIT_EXT_texture_filter_anisotropic, KHR_parallel_shader_compile, OES_element_index_uint, OES_standard_derivatives, OES_texture_float, OES_texture_float_linear, OES_texture_half_float, OES_texture_half_float_linear, OES_vertex_array_object, WEBGL_color_buffer_float, WEBGL_compressed_texture_s3tc, WEBKIT_WEBGL_compressed_texture_s3tc, WEBGL_debug_renderer_info, WEBGL_debug_shaders, WEBGL_lose_context, WEBKIT_WEBGL_lose_context