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 ('705c9f3c26dd4ece5e12d34a8e4aaf06', -1, 1717049821, 1717049821, '1274ee45', -4, 0, 0)

Line : 187
File : sessions.php