I do not think you should just keep going. Once you get that tackyness, you've got to get rid of it: it's just sitting on top getting gross. We had the same thing happen to one of our sections with Behandla. Getting it warm helped us rub it off--I'd suggest a blow dryer on low. A few places had to be scratched very gently to get the rest off (use fingernails, plastic spatula--something like that). Sanding was impossible: the tacky stuff clogs the sanding surface very quickly. Afterwards we went back to the lighter layers rubbed down within spec times and the counter was much better!
, recently I tried using a blow dryer to speed my way thru refinishing a "patched" area (I think we got balsamic vinegar on the counter--eek!). I warmed the area, then rubbed in the Behandla, then warmed it more. I wiped it, but there wasn't much to wipe off--it soaked right in. I used a low setting and didn't get anything really hot--just nicely warm.
Every few months you'll want to clean the counter really well (just a little slightly soapy water), let it dry, then add another layer or two of Behandla. It really refreshes that great look!