Error message appears for some accounts trying to create Sandbox connection

[dgolovin]

For some accounts the message below appears:

Uncaught (in promise) Error: HTTP-Code: 403
Message: Unknown API Status Code!
Body: "{\"kind\":\"Status\",\"apiVersion\":\"v1\",\"metadata\":{},\"status\":\"Failure\",\"message\":\"namespaces is forbidden: User \\\"system:serviceaccount:username-dev:pipeline\\\" cannot list resource \\\"namespaces\\\" in API group \\\"\\\" at the cluster scope\",\"reason\":\"Forbidden\",\"details\":{\"kind\":\"namespaces\"},\"code\":403}\n"
Headers: {"audit-id":"acf464ec-21d9-4bac-bd28-17962edd7bdb","cache-control":"no-cache, private","connection":"close","content-length":"298","content-type":"application/json","date":"Wed, 01 Oct 2025 14:34:00 GMT","strict-transport-security":"max-age=31536000; includeSubDomains; preload","x-content-type-options":"nosniff","x-kubernetes-pf-flowschema-uid":"2e2c065b-dec7-4977-a774-621363294c57","x-kubernetes-pf-prioritylevel-uid":"004c3215-7975-4d4d-928c-c2c2f2c227e3"}

It could be related to namespace detection in case there are user name conflicts.