phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fd40a117bf0dd87ee5966d134e4ce459' 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 ('fd40a117bf0dd87ee5966d134e4ce459', -1, 1768469517, 1768469517, 'd849d86f', -1, 0, 0)

Line : 215
File : sessions.php