Bench Build Eperm Error

bench build Showing Eperm Not Permitted
erpnext 13.50
frappe 13.56


It may help to say the operating environment and if this is a new installation or if bench build has completed successfully in the past.

DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
Showing This error

Problem because Of Node Sass Version
Updated Saas & Nodejs Version