Same issue here.
The workers page is causing the browser to make many XHR calls to this address every few seconds:
https://dash.cloudflare.com/api/v4/zones/****/spectrum/apps/dns?per_page=200
which is returning HTTP 403 and the following response body:
{
“result”: null,
“success”: false,
“errors”: [
{
“code”: 10007,
“message”: “Forbidden.”
}
],
“messages”:
}
This causes those red error popups at the bottom to stack up on top of each other.
Hopefully someone from CF sees this and hopefully this helps them fix the issue.