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 ('d81a7de42ff65fef5f7ae9f6fe4b68f0', -1, 1715138843, 1715138843, '12db0e3f', 2, 0, 0)

Line : 189
File : sessions.php