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 ('7f359ded79b9dd1812129220ef150750', -1, 1711711811, 1711711811, '2cc5bff0', 0, 0, 0)

Line : 193
File : sessions.php