Crashed: com.apple.main-thread
0  CoreGraphics                   0x34090 RIPLayerCreateWithData + 316
1  CoreGraphics                   0x34904 __CGBitmapContextDelegateData + 352
2  CoreGraphics                   0x6c2d0 CGBitmapContextSetData + 160
3  QuartzCore                     0x5d3e4 CAGetCachedCGBitmapContext_(void*, unsigned int, unsigned int, unsigned int, unsigned long, CGColorSpace*) + 540
4  QuartzCore                     0x903b8 CABackingStoreBeginUpdate_(CABackingStore*, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned long long, unsigned int, UpdateState*) + 544
5  QuartzCore                     0x4ae70 CABackingStoreUpdate_ + 428
6  QuartzCore                     0x8a074 invocation function for block in CA::Layer::display_() + 52
7  QuartzCore                     0x8ba9c -[CALayer _display] + 1864
8  QuartzCore                     0x30884 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 416
9  QuartzCore                     0x44190 CA::Context::commit_transaction(CA::Transaction*, double, double*) + 464
10 QuartzCore                     0x4cc64 CA::Transaction::commit() + 708
11 UIKitCore                      0x156450 _afterCACommitHandler + 84
12 CoreFoundation                 0x3e82c __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32
13 CoreFoundation                 0xfa64 __CFRunLoopDoObservers + 616
14 CoreFoundation                 0xafec __CFRunLoopRun + 1012
15 CoreFoundation                 0x1e240 CFRunLoopRunSpecific + 572
16 GraphicsServices               0x1988 GSEventRunModal + 160
17 UIKitCore                      0x4e541c -[UIApplication _run] + 1080
18 UIKitCore                      0x27eb88 UIApplicationMain + 336
19 TCPApp                         0xa34528 main + 39 (AppDelegate.swift:39)
20 ???                            0x1062843d0 (Missing)