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 ('d1caf2d1556a4bb3e87ff6a52d4b656a', -1, 1714038744, 1714038744, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php