SQL exception - column not found

EE 3.1 DP5 - when navigating to a 404 I get this:

SQLSTATE[42S22]: Column not found: 1054 Unknown column ‘Snippet_snippets.edit_date’ in ‘field list’: SELECT Snippet_snippets.snippet_id as Snippet__snippet_id, Snippet_snippets.site_id as Snippet__site_id, Snippet_snippets.snippet_name as Snippet__snippet_name, Snippet_snippets.snippet_contents as Snippet__snippet_contents, Snippet_snippets.edit_date as Snippet__edit_date FROM (`exp_snippets` as Snippet_snippets) WHERE ( `Snippet_snippets`.`site_id` = ‘1’ OR `Snippet_snippets`.`site_id` = 0 ) LIMIT 18446744073709551615