phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4776724bd431853cf29118b2f99ffd7' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a4776724bd431853cf29118b2f99ffd7', -1, 1715001619, 1715001619, '12d9b62d', -8, 0, 0)

Line : 187
File : sessions.php