Echoing Bjorn from a previous reply...
QvSource is developed by Industrial Codebox, an external partner to Qlik. To get assistance or raise a ticket with QvSource, you can use the following link: QVSource Support
Or try contacting them at:
Phone: +44 (0)844 4874171
Fax: +44 (0)808 280 1362
Industrial CodeBox Ltd.
Hope this will help you resolve your issue!