phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3ced4aa2bfddccda9933de42c7a9bd49' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3ced4aa2bfddccda9933de42c7a9bd49', -1, 1770083209, 1770083209, '0aff0001', 115, 0, 0)

Line : 199
File : sessions.php