Error "Unknown Exception" Datasets/ Semantic Model

None of the datasets/ semantic models are refreshing currently due to this error.
Error Message "ModelNotFoundException: Unknown exception
Details:
Error=Unknown exception
RequestId=f-------------------------c
RequestUrl=https://wabi-us-north-central-redirect.analysis.windows.net/metadata/v201606/cdsa/dataflows/d----------------3/contentandcache"

Can someone help resolving this. Thanks in advance!