phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '99ca99417cbb6b61408ea4173f4b40f6' 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 ('99ca99417cbb6b61408ea4173f4b40f6', -1, 1714259999, 1714259999, '12bf58f9', 9, 0, 0)

Line : 187
File : sessions.php