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 ('5ba351f7f859eeb1416696487f10ab32', -1, 1711718298, 1711718298, '54ccfc03', -9, 0, 0)

Line : 187
File : sessions.php