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 ('81255728c0ad5f747915e1d80d37e6e5', -1, 1711644021, 1711644021, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php