Cannot ack hobbit alerts

[ZanDAhaR]

Hi guys,

Have recently upgraded to 4.0.2 and discovered we are having some issues
ack'ing alerts this morning.

Its sending out notifications to email and pager fine but when I put them
into the Ack Alert page on hobbit it says alert ack'ed or whatever it says
but theys till keep coming. Also in the hobbitd.log i get the message

date time Cookie 624644 not found, dropping ack

There is no way I've typed it wrongas I got 4 ppl to look at it to make sure
I wasnt going insane.

Also not sure if anyone else has had this since upgrading to 4.0.2 as my
emails for the last few days seemed to have vanished

Allan