Data refesh nor working

Power BI service refresh is giving me an error. Working with power BI desktop refresh works, then I upload to service, and refresh works fo ne day and thn crashed. Why is that? I dont eget the error:

Data source error: [ValidateMarkupTags]{"error":{"code":"DM_GWPipeline_Gateway_MashupDataAccessError","pbi.error":{"code":"DM_GWPipeline_Gateway_MashupDataAccessError","parameters":{},"details":[{"code":"DM_ErrorDetailNameCode_UnderlyingErrorCode","detail":{"type":1,"value":"[ccon]-2147467259"}},{"code":"DM_ErrorDetailNameCode_UnderlyingErrorMessage","detail":{"type":1,"value":"[ccon]Funkcja Web.Contents cannot get content from „https://sheets.googleapis.com/v4/spreadsheets/xxxxx-M?fields=sheets/properties,namedRanges”  (502): Bad Gateway[/ccon][/ccon]"}},{"code":"DM_ErrorDetailNameCode_UnderlyingHResult","detail":{"type":1,"value":"-2147467259"}},{"code":"Microsoft.Data.Mashup.ValueError.DataSourceKind","detail":{"type":1,"value":"GoogleSheets"}},{"code":"Microsoft.Data.Mashup.ValueError.DataSourcePath","detail":{"type":1,"value":"[ccon]://docs.google.com/spreadsheets/d/xxxxxxx-M/edit?usp=sharing[/ccon ]"}},{"code":"Microsoft.Data.Mashup.ValueError.Reason","detail":{"type":1,"value":"DataSource.Error"}},{"code":"Microsoft.Data.Mashup.ValueError.Url","detail":{"type":1,"value":"[ccon]://sheets.googleapis.com/v4/spreadsheets/xxxxxxxxxxx-M?fields=sheets/properties,namedRanges[/cc... ]"}}],"exceptionCulprit":1}}} Table: Goals.