Website error not refreshing

everytime i refresh Requests
the html page don’t show up.
also i’m getting this 22:31:53.236 Error: Failed to publish assets. For support, join our Discord (Discord) or create a ticket and reference the deployment ID: d9c2221b-ee72-4dba-979a-c5179aab255e there now is no such dir called oldtest/phpmailer please help fix this

i have a website