I fixed the case issue, now I get this, and there's no more details in the log.
Error report information
Type: unhandled rejection
Reason: TypeError: expected finite number
Construct 3 version: r15
URL: https://editor.construct.net/
Date: Wed Apr 05 2017 08:52:49 GMT-0700 (Pacific Daylight Time)
Uptime: 2.5 s
Platform information
Browser: Chrome
Browser version: 57.0.2987.133
Browser engine: Blink
Browser architecture: 32-bit
Context: browser
Operating system: Windows
Operating system version: 10
Operating system architecture: 64-bit
Device type: desktop
Device pixel ratio: 1
Logical CPU cores: 6
User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36
WebGL information
Version string: WebGL 2.0 (OpenGL ES 3.0 Chromium)
Numeric version: 2
Supports NPOT textures: yes
Vendor: Google Inc.
Renderer: ANGLE (AMD Radeon HD 6570 Direct3D11 vs_5_0 ps_5_0)
Major performance caveat: no
Maximum texture size: 16384
Point size range: 1 to 1024
Extensions: EXT_color_buffer_float, EXT_disjoint_timer_query_webgl2, EXT_texture_filter_anisotropic, OES_texture_float_linear, WEBGL_compressed_texture_s3tc, WEBGL_debug_renderer_info, WEBGL_debug_shaders, WEBGL_lose_context