phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c97bdc61165cf2bb0b071ba4e71aeceb' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('c97bdc61165cf2bb0b071ba4e71aeceb', -1, 1771694225, 1771694225, 'd849d892', -9, 0)

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