Browser::addConnection is not a slot/invokable, and requires arguments. What was probably meant to happen is that the connection dialog opens. Pick-to: 6.5 6.6 6.7 Change-Id: I4e6bffb3e0277ca3deb7111cf4bb47ff188f6f16 Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>