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 ('f50fcf75d36cdccba6ec25727951acca', -1, 1717355265, 1717355265, '12bf5ef9', -4, 0, 0)

Line : 187
File : sessions.php