WordPress database error:

Hi all,
Does anyone know where this comes from:

WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘AND season = ” ORDER BY title ASC’ at line 1]
SELECT title, website, coach, stadium, logo, home, group, roster, points_plus, points_minus, points2_plus, points2_minus, add_points, done_matches, won_matches, draw_matches, lost_matches, diff, league_id, id, season, rank, status, custom FROM wp_leaguemanager_teams WHERE league_id = AND season = ” ORDER BY title ASC

that’s the link:
http://www.footyamsterdam.nl/donderdagamsterdamsebos/

we are making several leagues since years – but all of a sudden this appears,
thanks for your help

https://ww.wp.xz.cn/plugins/leaguemanager/