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 ('7701044c94d84a7331b439acdafc1793', -1, 1711703910, 1711703910, '2cd35b17', -4, 0, 0)

Line : 193
File : sessions.php