Garmin Express 6.11.0.0 consistently fails to open on iMac with the same error message, all other applications work fine on my iMac.....Here is screen shot of error message and error report:
Process: Garmin Express
Path: /Applications/Garmin Express.app
Identifier: com.garmin.renu.client
Version: 6.11.0.0 (6110000)
Date/Time: 2019-01-26 17:43:09 +0000
OS Version: Mac OS X 101300
Application Specific Information:
Terminating app due to uncaught exception: NSInvalidArgumentException
Reason: *** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from objects[1]