Building for iOS Simulator, but the linked and embedded framework THEOplayerSDK.framework was built for iOS + iOS Simulator

When using Xcode version 12.3 or above, it's possible that Xcode triggers the following error:

Building for iOS Simulator, but the linked and embedded framework ‘THEOplayerSDK.framework’ was built for iOS + iOS Simulator.

You solve this issue by setting Validate Workspace to Yes in the Build Settings of Xcode.