Vanishing of posts within a few seconds.
I click on this Safety and CRM forum and see lots of threads. Decide to reply to one but then somehow I lose Pprune and have to start again. Click on Safety, CRM, QA etc forum again and lo and behold it comes up with a vastly reduced number of posts from the first time - three only in fact and the one I tried to reply on was among those which have vanished. Anyone else struck this phenomenon?