Errors caused by attributes


I am getting errors like this:

  • Unknown attribute ‘_inheritsConvenienceInitializers’
  • Unknown attribute ‘_hasMissingDesignatedInitializers’

Used this link to download files:

Also, as per the solution tried in X-Code 10 and X-Code 11.3.1 using Swift 4.2. However, the issue is not getting resolved.

Please let me know what needs to be done to solve this.