3708999 - Story Report: Data source - Error - Looks like an error occurred in loading the metadata -Metadata Server Error. GenericRemoteAPI Call failed.

• Error message: "We are unable to find the data required to build a query. For assistance, please contact your administrator or the SAP Product Support team, if needed."
• Error message: "Looks like an error occurred in loading the metadata. For assistance, please contact your administrator or the SAP Product Support team, if needed."

In network logs we can see below Error

{
"error": {
"status": 500,
"errorCode": "4545",
"message": "Metadata Server Error. GenericRemoteAPI Call failed. Request URI: http://api66preview-internal.dc066.sf.priv/api/calcviewservice/v2/childnodes/, Return status code: 500 INTERNAL_SERVER_ERROR, Error: I/O error on POST request for \"http://api66preview-internal.dc066.sf.priv/api/calcviewservice/v2/childnodes/\": Read timed out",
"target": null,
"details": [
{
"message": "ServerErrorException: error occurred"
}
]
}
}

• Framework: SAP SuccessFactors People Analytics

metadata error, query designer failure, nested associations, response size expansion, data source error, metadata server error, We are unable to find the data required to build a query, Looks like an error occurred in loading the metadata, Metadata Server Error. GenericRemoteAPI Call failed. , KBA , LOD-SF-ANA-SAC-FWK , Framework, Infrastructure, Network, Performance , Problem