We see a lot of reports over the past few days from people who can't post. It looks like this:
This is an issue with ad blocker (or other browser extensions that tinker with scripts), such as Adblock Plus or uBlock Origin. See Molster's response here; he even provided an exception for AdBlock so you can continue using it on Dfans and still post:
As he said, there's nothing we can do about it, but it's an overaggressive filter by the public "ad" lists. The developers have reported those issues but apparently those lists have not been updated yet.
(I might bump this thread on a semi-regular basis because this issue is affecting people's ability to join conversations on DFans, which of course at the time of season restart is particularly bad timing.)
Feel free to give support in the open ticket as well so no filters are needed: