phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '789cf4a254c540e9648c3280729f9ad3' 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 ('789cf4a254c540e9648c3280729f9ad3', -1, 1716310964, 1716310964, '12777d78', -4, 0, 0)

Line : 187
File : sessions.php