I was testing app on iPad Pro, and met this critical error in Xcode: , line 913: error ‘MTLTextureDescriptor has a PVRTC pixel format (MTLPixelFormatPVRTC_RGBA_4BPP) set with non-square and/or non-power of two dimensions.’ Turns out that Metal Graphics API causes this error. The solution is to: 1. Go to File > Build Settings > Other Settings 2. Under Rendering section, check of ‘Auto Graphics API’ 3. Remove ‘Metal’ from Graphics APIs. Many