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 ('1a3bcf8290c99ac718dfe7fbd45d7d19', -1, 1711647999, 1711647999, '03eee4bf', 0, 0, 0)

Line : 193
File : sessions.php