Integrity Constraint Violation when creating new mini panel

When I try to create a new mini_panel I am getting the following error:

PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '0' for key 'PRIMARY': INSERT INTO {panels_mini} (name, category, did, admin_title, admin_description, requiredcontexts, contexts, relationships) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7); Array ( [:db_insert_placeholder_0] => main_library_quicklinks [:db_insert_placeholder_1] => homepage [:db_insert_placeholder_2] => 115 [:db_insert_placeholder_3] => Main Quick Links [:db_insert_placeholder_4] => [:db_insert_placeholder_5] => a:0:{} [:db_insert_placeholder_6] => a:0:{} [:db_insert_placeholder_7] => a:0:{} ) in drupal_write_record()