phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd63712512dfdb57e29539445d4681b31' 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 ('d63712512dfdb57e29539445d4681b31', -1, 1771916774, 1771916774, '0aff0001', 33, 0, 0)

Line : 199
File : sessions.php