Internal error prevented loading the schema

Anonymous and I also found this in the network log:

        "response": {
          "status": 401,
          "statusText": "Unauthorized",
          "httpVersion": "HTTP/1.1",
          "headers": [
            {
              "name": "Access-Control-Allow-Credentials",
              "value": "true"
            },
            {
              "name": "Access-Control-Allow-Origin",
              "value": "https://app.powerbi.com"
            },
            {
              "name": "Access-Control-Expose-Headers",
              "value": "RequestId,X-PowerBI-Error-Info,X-PowerBI-CannotAccessV2WorkspaceAsV1"
            },
            {
              "name": "Content-Length",
              "value": "0"
            },
            {
              "name": "Date",
              "value": "Mon, 19 Dec 2022 07:10:02 GMT"
            },
            {
              "name": "RequestId",
              "value": "e25da5b0-d4a1-4aeb-9d69-3646622c2e46"
            },
            {
              "name": "Strict-Transport-Security",
              "value": "max-age=31536000; includeSubDomains"
            },
            {
              "name": "X-Content-Type-Options",
              "value": "nosniff"
            },
            {
              "name": "X-Frame-Options",
              "value": "deny"
            },
            {
              "name": "X-PowerBI-CannotAccessV2WorkspaceAsV1",
              "value": "8fb421c2-0604-4e70-b9a8-866e9303b1ac"
            },
            {
              "name": "X-PowerBI-Error-Info",
              "value": "GroupNotAccessible"
            }
          ],