phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78fc9e1c173016ee717c7f39e1592fb8' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('78fc9e1c173016ee717c7f39e1592fb8', -1, 1714060726, 1714060726, '340ee0c5', -4, 0, 0)

Line : 187
File : sessions.php