phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bfa35bd0b9fba7dd4fc2a51f60c2bdc1' 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 ('bfa35bd0b9fba7dd4fc2a51f60c2bdc1', -1, 1763325949, 1763325949, 'd849d830', -9, 0, 0)

Line : 187
File : sessions.php