Coordinate reference system not supported

We are getting “Coordinate reference system not supported” error please guide.
-7.881314 38.553126,
-7.882678 38.552762))

The error you are stating gives me a filling that there is a space in your URL request, after “CRS=EPSG:4326”, e.g.:

Further more, GEOMETRY parameter needs to be defined as a WKT polygon. Your value is not. See some basics about WKT here: