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 ('f5e88379e1e1a54f532e2ecf0ecb17e2', -1, 1774260687, 1774260687, '54ccfc03', 0, 0, 0)

Line : 187
File : sessions.php