What is the ruling on saying "a long life in obedience to Allah" on one's birthday, and is it considered an innovation (bid'ah)?

If the aforementioned phrase is said at the time of birth, there is no harm in it, as it is a good supplication. However, if it is said on the occasion of a birthday (the passing of a year since birth), it is considered a birthday greeting, which is an impermissible innovation (bid'ah). Scholars have issued fatwas stating the impermissibility of congratulating, attending, or encouraging its practitioners.