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 ('e34a916c3da39c37a0aa4dd1ee458cc0', -1, 1714620253, 1714620253, '0310937c', -11, 0)

Line : 158
File : sessions.php