phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6f423f8b0c4e5725c7f70964330754fd' 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 ('6f423f8b0c4e5725c7f70964330754fd', -1, 1792526150, 1792526150, 'd849d9a5', -4, 0, 0)

Line : 187
File : sessions.php