phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('96a6d575a511d5d7f24c6b27c26193b2', -1, 1714487041, 1714487041, '030f1920', 12, 0)

Line : 158
File : sessions.php