Can not update firmware

dear cubepilot team
we need update firmware to beta
but i see erorr
macbook@MacBooks-MacBook-Air ~ % /Users/macbook/Desktop/flasher_mac ; exit;
Looking for Device
Found Unit Type: remoteunit

Downloading required package...
Traceback (most recent call last):
  File "urlgrabber/grabber.py", line 1583, in _do_perform
pycurl.error: (77, 'error setting certificate verify locations:  CAfile: /usr/local/etc/openssl@1.1/cert.pem CApath: /usr/local/etc/openssl@1.1/certs')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "flasher.py", line 265, in <module>
  File "flasher.py", line 73, in download_package
  File "urlgrabber/grabber.py", line 828, in urlread
  File "urlgrabber/grabber.py", line 1298, in urlread
  File "urlgrabber/grabber.py", line 1170, in _retry
  File "urlgrabber/grabber.py", line 1148, in _retry
  File "urlgrabber/grabber.py", line 1281, in retryfunc
  File "urlgrabber/grabber.py", line 1346, in __init__
  File "urlgrabber/grabber.py", line 1695, in _do_open
  File "urlgrabber/grabber.py", line 1833, in _do_grab
  File "urlgrabber/grabber.py", line 1829, in _do_grab
  File "urlgrabber/grabber.py", line 1678, in _do_perform
urlgrabber.grabber.URLGrabError: [Errno 14] curl#77 - "error setting certificate verify locations:  CAfile: /usr/local/etc/openssl@1.1/cert.pem CApath: /usr/local/etc/openssl@1.1/certs"
[896] Failed to execute script flasher

[Process completed]

Can you try on a different computer? Also try with windows if possible.

dear @Alvin
Problem due to lack of installation CURL
Thank you