phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bb14ceb8dc6739729abb0f1fb210d0d2' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_agent, session_logged_in, session_admin) VALUES ('bb14ceb8dc6739729abb0f1fb210d0d2', -1, 1529315419, 1529315419, '36a7e644', 8, 'CCBot/2.0 (http://commoncrawl.org/faq/)', 0, 0)

Line : 201
File : sessions.php