Error messages and logout after viewing a node with graphmind and navigating to any other

Notice: Undefined index: args in AmfServerServiceProxy->execute() (line 89 of /Users/gergely/www/dita-d7/sites/all/modules/contrib/amfserver/amfserver.resources.inc).
Notice: Undefined index: args in AmfServerServiceProxy->execute() (line 99 of /Users/gergely/www/dita-d7/sites/all/modules/contrib/amfserver/amfserver.resources.inc).
Warning: Invalid argument supplied for foreach() in AmfServerServiceProxy->execute() (line 99 of /Users/gergely/www/dita-d7/sites/all/modules/contrib/amfserver/amfserver.resources.inc).

This issue is connected to another issue of amfserver module, at http://drupal.org/node/1166910 . The solution seems to be not using the system.connect resource, as it can be avoided, but the module has to be adapted to that.