phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('26c4dc6ef60e2c22138e1a97b1aff82e', -1, 1715006091, 1715006091, '12e12351', 2, 0, 0)

Line : 189
File : sessions.php