An error occurred while downloading assets... erpnext

while installing erpnext following the step
$bench init erpnext
got the error
an error occurred while downloading assets… erpnext
but the other steps works fine after accessing the erpnext in the browser but the gui is not perfect
it is just like html this is issue discussed previously $ bench build An Error occurred while downloading assets - #3 by jycob but no solutions provided

any clues to solve this is issue ?

Please try running bench build in the bench folder (erpnext/ in your case).
This should fix your issue.

thanks for the info after running $ bench build in erpnext folder the issue solved

What if it does not solve the issue during --update?