phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c9404738aeafb8848edfa6b717594610', -1, 1716998904, 1716998904, '038cc2aa', -4, 0, 0)

Line : 187
File : sessions.php