phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f3bc1979c60b83a557320e346172a5d6' 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 ('f3bc1979c60b83a557320e346172a5d6', -1, 1771455206, 1771455206, 'd849d850', -9, 0, 0)

Line : 289
File : sessions.php