"Invalid Image Assertion failed" occurs when Graphics API is switched to OpenGLES2 on Windows

Steps to Repro:
1. Create new project > Build Settings > Player Settings > Other Settings
2. Disable setting for Auto-Graphics API > Add OpenGLES 2 API
3. Set OpenGLES2 as primary graphics API > Observe the error

Note:
Also, go to > Player Settings > Standalone platform > change architecture setting > observe the same error

Occurring In:
2018.1.0b1, 2018.1.0a7, 2018.1.0a5, 2017.3.0p1, 2017.3.0f2, 2017.1.2f1

Environment:
Windows only

Stack Trace:
Assertion failed: Image invalid format!