Apparently, Agda has been broken by the recent decision to remove 'catch', which had already been deprecated for some time, from Prelude. You can fix the source yourself, or wait for a new release.
Simon Thompson | Professor of Logic and Computation School of Computing | University of Kent | Canterbury, CT2 7NF, UK s.j.thompson@kent.ac.uk | M +44 7986 085754 | W www.cs.kent.ac.uk/~sjt