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 ('51f3de6914c593a8dfbfc1a77d2e3d11', -1, 1714504572, 1714504572, '0316b551', 20, 0)

Line : 158
File : sessions.php