Refresh Web source through power bi server web portal

Hi everyone. 

this is my query, i published the file on Power bi Web portal Server (on premisses ) 

in data source config, the error below showed: 

let

Source = Json.Document(
Web.BrowserContents(
"https://services6.arcgis.com",
[
RelativePath = "bKYAIlQgwHslVRaK/arcgis/rest/services/VWPlacesCasesHostedView/FeatureServer/0/query?where=1%3D1&outFields=*&outSR=4326&f=json"]
)),
features = Source[features],
#"Converted to Table" = Table.FromList(features, Splitter.SplitByNothing(), null, null, ExtraValues.Error),
#"Expanded Column1" = Table.ExpandRecordColumn(#"Converted to Table", "Column1", {"attributes", "geometry"}, {"attributes", "geometry"}),
#"Removed Columns" = Table.RemoveColumns(#"Expanded Column1",{"geometry"}),
#"Expanded attributes" = Table.ExpandRecordColumn(#"Removed Columns", "attributes", {"PlaceName_AR", "PlaceName_EN", "GovernorateName_AR", "GovernorateName_EN", "RegionName_AR", "RegionName_EN", "PLC_CODE", "REG_CODE", "GOV_CODE", "Place_Category", "DataSource", "GlobalID", "OBJECTID_1", "Reportdt", "Name_Ar", "Name_Eng", "Place_Code", "Confirmed", "Deaths", "Recovered", "Tested", "NewAdded", "GlobalID_1587594607483", "ObjectId"}, {"PlaceName_AR", "PlaceName_EN", "GovernorateName_AR", "GovernorateName_EN", "RegionName_AR", "RegionName_EN", "PLC_CODE", "REG_CODE", "GOV_CODE", "Place_Category", "DataSource", "GlobalID", "OBJECTID_1", "Reportdt", "Name_Ar", "Name_Eng", "Place_Code", "Confirmed", "Deaths", "Recovered", "Tested", "NewAdded", "GlobalID_1587594607483", "ObjectId"}),
#"Added Custom" = Table.AddColumn(#"Expanded attributes", "Date", each DateTimeZone.ToLocal(DateTime.AddZone(#datetime(1970, 1, 1, 0, 0, 0) + #duration(0, 0, 0, [Reportdt]/1000),0))),
#"Sorted Rows" = Table.Sort(#"Added Custom",{{"Date", Order.Descending}}),
#"Changed Type" = Table.TransformColumnTypes(#"Sorted Rows",{{"Date", type date}})
in
#"Changed Type"