phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8a16d144b38ac0c403b4eb1a77947c1a', -1, 1714089918, 1714089918, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php