How come the post I sent yesterday morning "Pop Up Waste Lever Leak" is not
visible in my OE news reader this morning

Therein lies your problem. You are using a "catch all" Microsoft pile of
sh*te purporting to be useful software.

Get a proper newsreader instead.

--
Please add "[newsgroup]" in the subject of any personal replies via email
--- My new email address has "ngspamtrap" & @btinternet.com in it ;-) ---