Bench Build error v13

Hi,

When i run bench build command, it shows following error and not completing.

frappe@erp:~/frappe-bench$ bench build
Retrieving assets...

✔ Downloaded Frappe assets from https://github.com/frappe/frappe/releases/download/v13.3.0/assets.tar.gz

Extracting assets...

✔ Restored js/frappe-web.min.js
✔ Restored js/control.min.js
✔ Restored js/bootstrap-4-web.min.js.map
✔ Restored js/dialog.min.js
✔ Restored js/form.min.js
✔ Restored js/report.min.js
✔ Restored js/desk.min.js.map
✔ Restored js/list.min.js.map
✔ Restored js/barcode_scanner.min.js.map
✔ Restored js/data_import_tools.min.js.map
✔ Restored js/data_import_tools.min.js
✔ Restored js/moment-bundle.min.js
✔ Restored js/user_profile_controller.min.js
✔ Restored js/dialog.min.js.map
✔ Restored js/frappe-recorder.min.js
✔ Restored js/chat.js
✔ Restored js/control.min.js.map
✔ Restored js/checkout.min.js
✔ Restored js/frappe-recorder.min.js.map
✔ Restored js/web_form.min.js
✔ Restored js/desk.min.js
✔ Restored js/chat.js.map
✔ Restored js/libs.min.js
✔ Restored js/user_profile_controller.min.js.map
✔ Restored js/web_form.min.js.map
✔ Restored js/bootstrap-4-web.min.js
✔ Restored js/barcode_scanner.min.js
✔ Restored js/frappe-web.min.js.map
✔ Restored js/form.min.js.map
✔ Restored js/list.min.js
✔ Restored js/report.min.js.map
✔ Restored js/checkout.min.js.map
✔ Restored css/report.min.css
✔ Restored css/frappe-rtl.css
✔ Restored css/web_form.css
✔ Restored css/rollup.manifest.css
✔ Restored css/email.css
✔ Restored css/desk.min.css
✔ Restored css/frappe-chat-web.css
✔ Restored css/login.css
✔ Restored css/printview.css
✔ Restored css/frappe-web-b4.css
Traceback (most recent call last):
  File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 101, in <module>
    main()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 18, in main
    click.Group(commands=commands)(prog_name='bench')
  File "/home/frappe/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/frappe/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/frappe/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/frappe/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/frappe/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/frappe/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/commands/utils.py", line 37, in build
    frappe.build.bundle(no_compress, app=app, make_copy=make_copy, restore=restore, verbose=verbose, skip_frappe=skip_frappe)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/build.py", line 216, in bundle
    make_asset_dirs(make_copy=make_copy, restore=restore)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/build.py", line 324, in make_asset_dirs
    shutil.rmtree(target)
  File "/home/frappe/frappe-bench/env/lib/python3.6/shutil.py", line 486, in rmtree
    _rmtree_safe_fd(fd, path, onerror)
  File "/home/frappe/frappe-bench/env/lib/python3.6/shutil.py", line 424, in _rmtree_safe_fd
    _rmtree_safe_fd(dirfd, fullname, onerror)
  File "/home/frappe/frappe-bench/env/lib/python3.6/shutil.py", line 444, in _rmtree_safe_fd
    onerror(os.unlink, fullname, sys.exc_info())
  File "/home/frappe/frappe-bench/env/lib/python3.6/shutil.py", line 442, in _rmtree_safe_fd
    os.unlink(name, dir_fd=topfd)
PermissionError: [Errno 13] Permission denied: 'responsive.css'

Have you tried “sudo bench build” ?

Yes, same error.

Did you try hard reset.
It seems like you are having a permission issues on this file “responsive.css”

how to hard reset?

i did reboot, bench restart every thing, still same error, also i found file responsive.css and i think its not belong to erpnext.
also i checked permissions of files are 777, i also tried with root user to run bench build but same error.

**frappe@erp** : **~** $ locate responsive.css
/var/www/html/mycompany/pub/static/frontend/Mgs/hebes/en_US/css/responsive.css
/var/www/html/mycompany/var/view_preprocessed/pub/static/frontend/Mgs/hebes/en_US/css/responsive.css

these files are owned by some other user.

anybody??