Even if it looks like it, the word "pahoillaan" (an adverb) doesn't get the same ending as the olla-verb, but instead it does get the possessive suffix required. With "me" the suffix, however, resembles the way verbs are conjugated with "me". :)
(minä) olen pahoillani
(sinä) olet pahoillasi
hän/se on pahoillaan
(me) olemme pahoillamme
(te) olette pahoillanne
he/ne ovat pahoillaan (pahoillansa)
Just report it. That's how we users can contribute to the accepted answers. I wrote, "We are very sorry" but it was rejected. If anybody here can comment on its validity, please let me know. I did report it. When I am pretty sure of my answer, I check for typos then hit that report button. I check here on the SD too.