phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c0f9cc8e4faedf792b950a329cd95173' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, ua, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, drink) VALUES ('c0f9cc8e4faedf792b950a329cd95173', 'CCBot/2.0 (https://commoncrawl.org/faq/)', -1, 1762834936, 1762834936, '126109af', -2, 0, 0, 0)

Line : 219
File : sessions.php