I have noticed that there are some cases in which I get missing data in the requested image, even when having a broad time observation. For example, the image below:

Is this behavior expected? Am I missing something here?

Below my request,
thanks in advance!

{'input': 
 {'bounds': {
     'properties': {
         'crs': 'http://www.opengis.net/def/crs/EPSG/0/32633'
     }, 
     'bbox': [3124072.32446624, 4529434.67192184, 3139432.32446624, 4544794.67192184]
 },
  'data': [InputDataDict({
              'type': 'hls', 
              'dataFilter': {'timeRange': {'from': '2017-09-30T00:00:00Z', 'to': '2017-10-20T23:59:59Z'}, 
                             'mosaickingOrder': 'leastCC'}
           },
            service_url=https://services-uswest2.sentinel-hub.com)
          ]
 }, 
 'evalscript': """
                //VERSION=3
                function setup() {
                    return {
                        input: [{
                            bands: ["Blue",
                                    "Green",
                                    "Red",
                                    "NIR_Narrow",
                                    "SWIR1",
                                    "SWIR2",
                                    "dataMask"],
                            units: "DN"
                        }],
                        output: {
                            bands: 8,
                            sampleType: "INT16"
                        }
                        
                    };
                }
                
                function evaluatePixel(sample) {
                    return [sample.Blue,
                            sample.Green,
                            sample.Red,
                            sample.NIR_Narrow,
                            sample.SWIR1,
                            sample.SWIR2,
                            sample.CLM,
                            sample.dataMask];
                    }
        """,
 'output': {'responses': [{
                         'identifier': 'default', 
                         'format': {'type': 'image/tiff'}}
                         ], 
            'width': 512, 
            'height': 512}
}