I found the answer, although I do ot understand how it works. The page was being linked to from the previous page. The link was missing '&thankyou=1' at the end of the address, eg
When I added this, the tabs reappeared.
I found the answer, although I do ot understand how it works. The page was being linked to from the previous page. The link was missing '&thankyou=1' at the end of the address, eg
When I added this, the tabs reappeared.