6668: number of arguments for notify_db_error() into Export assistant

svn: r22147

gramps/plugins/export/exportgedcom.py

@@ -1457,5 +1457,5 @@ def export_data(database, filename, user, option_box=None):
         msg2 = _("Could not create %s") % filename
         user.notify_error(msg2, str(msg))
     except DatabaseError as msg:
-        user.notify_db_error(_("Export failed"), str(msg))
+        user.notify_db_error("%s\n%s" % (_("GEDCOM Export failed"), str(msg)))
     return ret

gramps/plugins/export/exportxml.py

@@ -1298,5 +1298,5 @@ class XmlWriter(GrampsXmlWriter):
             ret = GrampsXmlWriter.write(self, filename)
         except DbWriteFailure as msg:
             (m1, m2) = msg.messages()
-            self.user.notify_db_error(m1, m2)
+            self.user.notify_db_error("%s\n%s" % (m1, m2))
         return ret