PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT s.sid AS sid FROM {skinr_skins}

All of a sudden I started getting suh an error when trying to access my admin/content page (I have admin_views).

Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT s.sid AS sid FROM {skinr_skins} s WHERE (theme = :db_condition_placeholder_0) AND (module = :db_condition_placeholder_1) AND (element IN (:db_condition_placeholder_2)) AND (status = :db_condition_placeholder_3) ; Array ( [:db_condition_placeholder_0] => corolla [:db_condition_placeholder_1] => views [:db_condition_placeholder_2] => admin_views_node__system_1 [:db_condition_placeholder_3] => 1 ) in skinr_skin_get_sids() (line 797 of /sites/all/modules/skinr/skinr.module).