Getting error 400 processingFailure when trying to edit moderationStatus [closed]

Since couple days we are experiencing issue with setModerationStatus. We are getting Google\Service\Exception:

"error": {"code": 400,"message": "The API server failed to successfully process the request. While this can be a transient error, it usually indicates that the request's input is invalid.","errors": [      {"message": "The API server failed to successfully process the request. While this can be a transient error, it usually indicates that the request's input is invalid.","domain": "youtube.comment","reason": "processingFailure","location": "id","locationType": "parameter"      }    ]  }}

It does not matter if we use code to access API or we use Explorer:

We have tried different comments and different credentials, but the result is the same. Has anything changes lately or is it a platform issue?