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 ('13318c11d0cd2ceac2c2162c010bd6f5', -1, 1715095289, 1715095289, '12db0e3f', -8, 0, 0)

Line : 189
File : sessions.php