phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78b7f785e92eb9d6087612152ac8435b' 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 ('78b7f785e92eb9d6087612152ac8435b', -1, 1738262917, 1738262917, '0aff0001', 35, 0, 0)

Line : 199
File : sessions.php