Protocol Error

[pgathogo]

Hi,
I am getting the following error when uploading the plugin:

=== A protocol error occurred ===
URL: plugins.qgis.org:443/plugins/RPC2/
HTTP/HTTPS headers: {'Date': 'Mon, 20 May 2024 11:15:40 GMT', 'Content-Type': 'text/html; charset=utf-8', 'Transfer-Encoding': 'chunked', 'Connection': 'keep-alive', 'vary': 'Cookie', 'x-content-type-options': 'nosniff', 'referrer-policy': 'same-origin', 'cross-origin-opener-policy': 'same-origin', 'CF-Cache-Status': 'DYNAMIC', 'Report-To': '{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZVl%2FK%2FfcCcAiR0BEDDffzjE4xUGwF2YG0BaCekoL%2B3CJpH6BFDQXVh6hynEcjRlvJJWx63U%2BcaojQKUEOyToAuehHSljgkoCDxa%2FELSvVeEkBmQjDcjVF6mtcD2%2BwXbJGnTR"}],"group":"cf-nel","max_age":604800}', 'NEL': '{"success_fraction":0,"report_to":"cf-nel","max_age":604800}', 'Server': 'cloudflare', 'CF-RAY': '886be8b4dd0d8a6a-MBA', 'alt-svc': 'h3=":443"; ma=86400'}
Error code: 400
Error message: Bad Request

Any idea what I might be missing?

Regards,
Paul