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 ('9ba14d2113714af0e2e0f574b82bd1b0', -1, 1711714543, 1711714543, '03ec4008', 0, 0, 0)

Line : 193
File : sessions.php