Contentteller Content Management System - MySQL database error Contentteller

The MySQL database of this Contentteller Content Management System installation has encountered the following problem:
The MySQL database server has returned 1366: Incorrect integer value: '' for column `vortez_db2`.`ctesselbach_ct_articlessearches`.`articlesearch_category` at row 1 while executing INSERT INTO ctesselbach_ct_articlessearches (articlesearch_id, articlesearch_website, articlesearch_user, articlesearch_username, articlesearch_query, articlesearch_seo, articlesearch_titlesonly, articlesearch_author, articlesearch_exactmatch, articlesearch_category, articlesearch_daterange, articlesearch_in, articlesearch_order, articlesearch_date, articlesearch_views, articlesearch_activity, articlesearch_ip) VALUES (NULL, '0', '1', '', '', 'craig_farren_d1e6', '0', 'Craig Farren', '1', '', '0', '0', '0', now(), '0', now(), '')

Please try it in a few minutes again. We apologize for any inconvenience.