URGENT : Permission denied when training rasa

i work with visual studio terminal , First i trained Rasa core and it worked perfectly , but when i do the command : rasa train , i get : PermissionError: [Errno 13] Permission denied: ‘C:\Users\asus\Desktop\AWB_chatbot\default’ . I tried multiple possible solutions , i runned VS as administrator but it failed . im stuck with this problem since 2 days , please help . rasa core