Xml Reader Settings-Error in Open cache manager

Hey out there!
I'm trying to import gpx files in my Opencachemanager, getting an error

Does anybody know, what this XmlReaderSettings.IgnoreWhitespace could be about?

Which version of UM are you running?

Please read the Guide on Posting

Hi wizd3m

I’m running am 64bit version of UM 16.04.