UPS OAuth plugin issue .

im getting following error.

ERROR WHILE GETTING UPS RATES THE HTTP STATUS CODE OF THE RESPONSE WAS NOT EXPECTED (400). STATUS: 400 RESPONSE: {"RESPONSE":{"ERRORS":[{"CODE":"111285","MESSAGE":"THE POSTAL CODE IS INVALID FOR QC CANADA."}]}}
'
any suggestion ?

this is some information in log ..
UPS rates. Response: StatusCode: 200, ReasonPhrase: 'OK', Version: 1.1, Content: System.Net.Http.HttpConnectionResponseContent, Headers:
{
  X-Frame-Options: DENY
  X-Content-Type-Options: nosniff
  X-XSS-Protection: 1; mode=block
  Access-Control-Max-Age: 600
  X-Request-ID: dcae0bd1-54c0-4c17-94f5-405cce884b76
  Cache-Control: no-store, no-cache, max-age=0
  Pragma: no-cache
  Date: Tue, 04 Jun 2024 20:30:11 GMT
  Connection: keep-alive
  ak-grn-1: 0.1fa12b17.1717533011.1306cc0
  Strict-Transport-Security: max-age=31536000 ; includeSubDomains
  Content-Type: application/json
  Content-Length: 1484
  Expires: Tue, 04 Jun 2024 20:30:11 GMT

I have set x-frame to sameorigin , but log keeps showing Deny , but all my other pages show sameorigin.

I can show ups opttions that selected in plugin , but rates are set to $0
any info would be greate