phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dfdeed1cbd8e6e95f161381f1a212d6b' 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 ('dfdeed1cbd8e6e95f161381f1a212d6b', -1, 1769929615, 1769929615, 'd849d800', -9, 0, 0)

Line : 289
File : sessions.php