Changes are not being saved
I have started a new page, changed layout to 2 columns added a text block to one column, entered some simple text, selected save and the editor disappears but the text stays and I could edit if I wanted to - but the page just sits there - no text is save and its frozen until I reload the page (nothing saved).
For a while it was intermittant and I could save every 2 or 3 tries.
I have cleared caches and tried different browsers.
Any suggestions on how I can get the text editor to work? Other blocks (image, slider) seem to save just fine.