Universal Loop Selection (Range) Bug?

Hi

if i select several edges (in edge mode) on a object and then press Universal Loop Selection (Range) hotkey i get following error message. Is it a bug ? If not, can i somehow deactivate this popup window, i know on own risk

this problem showed also in this tread:
http://samardac.com/nvil-forum/index.php/topic,4166.0.html

Thanks in advance!