From the story: Oregon voters approved a constitutional amendment in 2022 that disqualified legislators with 10 or more unexcused absences during a legislative session from holding office in the subsequent term.
The GOP senators, fully one-third of the state Senate, engaged in a six-week walkout in 2023 to deny a quorum. Their argument for being exempt from the constitutional mandate was that it shouldn’t apply until … sometime later, trying to convince the justices that a literal but absurd interpretation that would allow this is what the voters really meant.
Worth noting is the amendment was put forth after previous GOP walkouts and was not a prophylactic.
Personally I would have liked for the runner up in the last election to automatically fill in for you if you can’t make it, or if that would lead to too much inconsistency if after missing ten sessions they got replaced by the runner up until the next election.