conflict Rated 4 out of 5 stars

hi guys! i have one more problem in addition to pinned tab disappear sometimes,i think there is a conflict with echofon and twitter bar.when i click pinned tab, an empty twitter page comes out and i cant change that unless removing there anybody experienced this problem?

icon disappered Rated 4 out of 5 stars

i used to this add on but icon disappered when i restarted firefox and it has never back can fix it. this feature is very usefull to me.