phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '646fb73d260fdf5278338b93a7afe249' 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, session_browser) VALUES ('646fb73d260fdf5278338b93a7afe249', -1, 1742555392, 1742555392, '12e3d16a', 274, 0, 0, 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko;')

Line : 208
File : sessions.php