We have a dataset on PBI that points out to Azure DevOps dataset
It always worked, starting from this morning, when I click on "data source credentials", I receive an error

On network tabs I see 1 400 on an API
Request URL:
{
"error": {
"code": "DM_GWPipeline_Gateway_InvalidConnectionCredentials",
"pbi.error": {
"code": "DM_GWPipeline_Gateway_InvalidConnectionCredentials",
"parameters": {},
"details": [
{
"code": "DM_ErrorDetailNameCode_UnderlyingErrorCode",
"detail": {
"type": 1,
"value": "-2147467259"
}
},
{
"code": "DM_ErrorDetailNameCode_UnderlyingErrorMessage",
"detail": {
"type": 1,
"value": "The credentials provided for the VSTS source are invalid. (Source at acn-dm-10001.)"
}
},
{
"code": "DM_ErrorDetailNameCode_UnderlyingHResult",
"detail": {
"type": 1,
"value": "-2147467259"
}
},
{
"code": "Microsoft.Data.Mashup.CredentialError.DataSourceKind",
"detail": {
"type": 1,
"value": "VSTS"
}
},
{
"code": "Microsoft.Data.Mashup.CredentialError.DataSourceOriginKind",
"detail": {
"type": 1,
"value": "VSTS"
}
},
{
"code": "Microsoft.Data.Mashup.CredentialError.DataSourceOriginPath",
"detail": {
"type": 1,
"value": "acn-dm-10001"
}
},
{
"code": "Microsoft.Data.Mashup.CredentialError.DataSourcePath",
"detail": {
"type": 1,
"value": "acn-dm-10001"
}
},
{
"code": "Microsoft.Data.Mashup.CredentialError.Reason",
"detail": {
"type": 1,
"value": "AccessUnauthorized"
}
},
{
"code": "Microsoft.Data.Mashup.MashupSecurityException.DataSources",
"detail": {
"type": 1,
"value": "[{\"kind\":\"VSTS\",\"path\":\"acn-dm-10001\"}]"
}
},
{
"code": "Microsoft.Data.Mashup.MashupSecurityException.Reason",
"detail": {
"type": 1,
"value": "AccessUnauthorized"
}
}
],
"exceptionCulprit": 1
}
}
}