phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9c979b69e456494502e504d1a2a9326' 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 ('a9c979b69e456494502e504d1a2a9326', -1, 1714093508, 1714093508, '12760907', -11, 0, 0)

Line : 187
File : sessions.php