topic Invalid or missing input parameters. GetSample in ArcGIS Enterprise Questions

Invalid or missing input parameters. GetSample

Oiligriv — Mon, 05 Jul 2021 14:51:54 GMT

Hello
after upgrading ArcGIS Enterprise from 10.8 to 10.8.1 the GetSample stopped working.

every time I make a call, error 400 occurs

la query è la seguente

https://fqdn/meteograms/rest/services/C_ME_ALL_NO_Z_NC/ImageServer/getSamples?geometry=%7B%22x%22%3A7.750923156738281%2C%22y%22%3A46.99692434633271%2C%22spatialReference%22%3A%7B%22wkid%22%3A4326%7D%7D&geometryType=esriGeometryPoint&sampleDistance=&sampleCount=&mosaicRule=%7B%22mosaicMethod%22%3A%22esriMosaicAttribute%22%2C%22where%22%3A%22RUN%3Dtimestamp%272021-07-05+00%3A00%3A00%27%22%2C%22mosaicOperation%22%3A%22MT_FIRST%22%2C%22multidimensionalDefinition%22%3A%5B%7B%22variableName%22%3A%22msl%22%2C%22values%22%3A%5B%5D%7D%2C%7B%22variableName%22%3A%22p3008%22%2C%22values%22%3A%5B%5D%7D%5D%7D&pixelSize=&f=pjson&returnFirstValueOnly=false&interpolation=RSP_NearestNeighbor&outFields=stdtime%2Cvariable

this is the result

{
"error": {
"code": 400,
"message": "Invalid or missing input parameters.",
"details": [

]
}
}