MySQL error in file: /engine/modules/rgdev/match/showAction.php at line 86

Error Number: 1064

The Error returned was:
You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'or s.team_id = ''' at line 1

SQL query:

SELECT s.*,u.user_id,u.foto,u.last_name,u.first_name,u.name,u.fullname FROM wv_users u LEFT JOIN sfw_team_staff s ON u.user_id=s.user_id WHERE s.team_id = or s.team_id = ''