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 ('affb05ade9347843a6eaae5a44bea3a9', -1, 1714374737, 1714374737, '1275b796', -10, 0)

Line : 158
File : sessions.php