phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd49de09dccf8a7dc1f5cb0300e5d3080' 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 ('d49de09dccf8a7dc1f5cb0300e5d3080', -1, 1770145118, 1770145118, 'd849d8a2', -4, 0, 0)

Line : 187
File : sessions.php