phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd803879f7363f099a843ce36d9935abd' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d803879f7363f099a843ce36d9935abd', -1, 1770479399, 1770479399, 'd849d821', 41, 0, 0)

Line : 187
File : sessions.php