Traceback (most recent call last):
File "/usr/X11R6/share/gajim/src/chat_control.py", line 1618, in _on_contact_information_menuitem_activate
gajim.interface.roster.on_info(widget, self.contact, self.account)
File "/usr/X11R6/share/gajim/src/roster_window.py", line 1031, in on_info
info[contact.jid] = vcard.VcardWindow(contact, account)
File "/usr/X11R6/share/gajim/src/vcard.py", line 93, in __init__
self.fill_jabber_page()
File "/usr/X11R6/share/gajim/src/vcard.py", line 320, in fill_jabber_page
self.nickname_entry.set_text(self.contact.name)
TypeError: GtkEntry.set_text() argument 1 must be string, not None