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 ('39d2988a6c1f1f20f9653a0039fb8f4b', -1, 1711694921, 1711694921, '2cc960d5', 0, 0, 0)

Line : 193
File : sessions.php