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 ('88328dd1a748b0354e892d5ef17b3476', -1, 1711718778, 1711718778, '2cdd51d4', 0, 0, 0)

Line : 193
File : sessions.php