Undefined variable count after calling /index.php?go=triggerSendNotifications/#7570

After calling uri:/index.php?go=triggerSendNotifications I've got Undefined variable count error:

Error 20090119105033 NOTICE:    pagesmisc.inc.php : 429 Undefined variable: count
Error 20090119105033  stdclass_pagehandler.inc.php : 738 -> triggerSendNotifications()
Error 20090119105033                     index.php : 220 -> PageHandler::show("triggerSendNotifications")
Error 20090119105033 
Error 20090119105033      Variables in show():
Error 20090119105033                 g_cache_tasks = NULL
Error 20090119105033              g_cache_projects = Array
Error 20090119105033           g_itemperson_fields = Array
Error 20090119105033                             f = OBJECT
Error 20090119105033                             n = OBJECT
Error 20090119105033                            PH = OBJECT
Error 20090119105033                        number = 6
Error 20090119105033    v0.0901, triggerSendNotifications, from XX.XX.XX.XX,  uri:/index.php?go=triggerSendNotifications
Error 20090119105033 

notifications sent

0.0901