Refresh error: DM_GWPipeline_Gateway_MashupDataAccessError

Hello everyone,

I have a report with single public website as a datasource. Gateway is properly set up, testing connection with no problem.

However whenever refresh online, it is throws error.

	{"error":{"code":"DM_GWPipeline_Gateway_MashupDataAccessError","pbi.error":{"code":"DM_GWPipeline_Gateway_MashupDataAccessError","parameters":{},"details":[{"code":"DM_ErrorDetailNameCode_UnderlyingErrorCode","detail":{"type":1,"value":"-2147467259"}},{"code":"DM_ErrorDetailNameCode_UnderlyingErrorMessage","detail":{"type":1,"value":"We were unable to retrieve the contents of the web page."}},{"code":"DM_ErrorDetailNameCode_UnderlyingHResult","detail":{"type":1,"value":"-2147467259"}},{"code":"Microsoft.Data.Mashup.ValueError.ErrorMessage","detail":{"type":1,"value":"Exit Code: 255\r\nStandard Output:\r\n\r\nStandard Error:\r\n"}},{"code":"Microsoft.Data.Mashup.ValueError.Reason","detail":{"type":1,"value":"DataSource.Error"}},{"code":"Microsoft.Data.Mashup.ValueError.Url","detail":{"type":1,"value":"https://www.tradingview.com/symbols/NYMEX-CL1%21/contracts/"}}],"exceptionCulprit":1}}} Table: Trading View WTI Contract Floating Price.

Can someone help? Thank you