phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '35522547d30bcd2f78fa0eadcdcb7d63' 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 ('35522547d30bcd2f78fa0eadcdcb7d63', -1, 1770694532, 1770694532, 'd849d876', 6, 0, 0)

Line : 187
File : sessions.php