I was trying to make the post
"Tags, # hashtag, and search????"

and got multiple error messages while trying to get it to post... fyi

I was unable to copy and paste it because it was a pop up!
so Im making this post with a screen cap

Im still seeing this error trying to make a new post on this forum

We have fixed it. A new version will be released this sunday

such an error can occur sometimes, follow http://skywritingservice.com/blog/hashtag-history-and-how-to-use-it and read a history of the hashtag!