403 proxy errors

my build is getting error below

Downloading core
[23/Jun/2022:22:58:30 +0000] "CONNECT canonical-lgw01.cdn.snapcraftcontent.com:443 HTTP/1.0" 403 1915 "-" "-"
Retrying (Retry(total=4, connect=None, read=None, redirect=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError('Tunnel connection failed: 403 Forbidden',))': /download-origin/canonical-lgw01/99T7MUlRhtI3U0QFgl5mXXESAiSwt776_13308.snap?token=1656036000_39023c14a10a758ebfc34c8a224370b08a18d23f
[23/Jun/2022:22:58:30 +0000] "CONNECT canonical-lgw01.cdn.snapcraftcontent.com:443 HTTP/1.0" 403 1915 "-" "-"
Retrying (Retry(total=3, connect=None, read=None, redirect=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError('Tunnel connection failed: 403 Forbidden',))': /download-origin/canonical-lgw01/99T7MUlRhtI3U0QFgl5mXXESAiSwt776_13308.snap?token=1656036000_39023c14a10a758ebfc34c8a224370b08a18d23f
[23/Jun/2022:22:58:34 +0000] "CONNECT canonical-lgw01.cdn.snapcraftcontent.com:443 HTTP/1.0" 403 1915 "-" "-"
[23/Jun/2022:22:58:34 +0000] "CONNECT api.snapcraft.io:443 HTTP/1.0" 200 4063 "-" "-"
[23/Jun/2022:22:58:35 +0000] "CONNECT api.snapcraft.io:443 HTTP/1.0" 200 5552 "-" "-"
Retrying (Retry(total=2, connect=None, read=None, redirect=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError('Tunnel connection failed: 403 Forbidden',))': /download-origin/canonical-lgw01/99T7MUlRhtI3U0QFgl5mXXESAiSwt776_13308.snap?token=1656036000_39023c14a10a758ebfc34c8a224370b08a18d23f
[23/Jun/2022:22:58:42 +0000] "CONNECT canonical-lgw01.cdn.snapcraftcontent.com:443 HTTP/1.0" 403 1915 "-" "-"
Retrying (Retry(total=1, connect=None, read=None, redirect=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError('Tunnel connection failed: 403 Forbidden',))': /download-origin/canonical-lgw01/99T7MUlRhtI3U0QFgl5mXXESAiSwt776_13308.snap?token=1656036000_39023c14a10a758ebfc34c8a224370b08a18d23f
[23/Jun/2022:22:58:58 +0000] "CONNECT canonical-lgw01.cdn.snapcraftcontent.com:443 HTTP/1.0" 403 1915 "-" "-"
Retrying (Retry(total=0, connect=None, read=None, redirect=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError('Tunnel connection failed: 403 Forbidden',))': /download-origin/canonical-lgw01/99T7MUlRhtI3U0QFgl5mXXESAiSwt776_13308.snap?token=1656036000_39023c14a10a758ebfc34c8a224370b08a18d23f
[23/Jun/2022:22:59:30 +0000] "CONNECT canonical-lgw01.cdn.snapcraftcontent.com:443 HTTP/1.0" 403 1915 "-" "-"
There seems to be a network error: maximum retries exceeded trying to reach the store.
Check your network connection, and check the store status at https://status.snapcraft.io/
Build failed

are there any workaround ?

for full log https://snapcraft.io/maven-package/builds/1801586

Thanks