Picker Error Message on Exit (encountered while discovering extensions: Error Domain=PlugInKit Code=13) With Swift 4 - Xcode 9

Question

Similar to

PhotoPicker discovery error: Error Domain=PlugInKit Code=13

and also to

https://forums.developer.apple.com/thread/82105

BUT I have t

Answer 1

Had this same issue on Swift 4.2 and Xcode 10.0. Although the image picker was working correctly Xcode showed this error on console. To get rid of this:

• On Xcode menu Product > Scheme > Edit Scheme
• Select 'Run' tab, then 'Arguments'
• On 'Environment Variables' section add a variable with Name OS_ACTIVITY_MODE and Value disable