After Updating to Xcode 10.3 Project Won't Compile with Error: "Failed to find or create execution context for description '<IBCocoaTouchPlatformToolDescription"

After updating to Xcode 10.3, I'm getting compile errors on an iOS project I've been working on.


Failed to find or create execution context for description '<IBCocoaTouchPlatformToolDescription: 0x7xxca9> System content for IBCocoaTouchFramework-ElevenAndLater <IBScaleFactorDeviceTypeDescription: 0x7fccea1a1c90> scaleFactor=2x'. These intermediate objects were non-nil.


This is when trying to compile on my iPhone. No idea why I'm getting IB errors all of a sudden. Also noticed, all IOS simulators have been wiped from my Mac, the update wiped them all..

Replies

Probably too basic a proposiition: did you try to reboot ?

Yup, reboot "fixed" the problem.

I noticed that XCode10.3 has a lot of issues (e.g., all simulators have disappeared, all VC show black screens…)… until you reboot.


Thanks for feedback.