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 ('0adbae22c536a55ec9e704de143f1a80', -1, 1714744215, 1714744215, '12e10b62', 21, 0)

Line : 158
File : sessions.php