PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> I am using timescale db on top of postgres db.
> ...
> When I am trying to get data from aggregated_data table using below query, I
> am getting error 'expected 2-element int8 array'
I'm guessing you need to complain to the timescale folks;
I don't think there's any such error message in core Postgres.
regards, tom lane