phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f16c261a7f4d591437fa0dc73751e0ad' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('f16c261a7f4d591437fa0dc73751e0ad', -1, 1768381611, 1768381611, 'd849d8a4', -9, 0)

Line : 180
File : /www/includes/sessions.php