[search for something][http://wagn.org/wagn/*search?view=content&s%5B_keyword%5D=wagn], then click to second page.

Also:

Double-click of paging text of inclusion of search breaks - sometimes. Go to http://staff.grasscommons.org/wagn/After-school_Programs_-_Mentoring and scroll down to Foundations and double-click on "1 to 1 of 1" and you'll get a long error message beginning with: NoMethodError in TransclusionController#edit But it works okay on Bugs+examples
  --John Abbe.....Tue Dec 11 15:12:38 PST 2007

Also, seeing other "expecting '_<something>' parameter" errors lately, maybe something in common to them? E.g.:

view (card) not supported for Wagn 1.0+tickets for item