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 ('071c5bbea8e08c8bc592ff81f30d30f6', -1, 1714224408, 1714224408, '03830dc2', -9, 0)

Line : 158
File : sessions.php