"Biotopwerte_Dresden_2028.geojson" or "Biotopwerte_Dresden_2018.geojson"?
https://stag.training.fdz.ioer.info/notebooks/302_file_formats.html#common-spatial-file-formats
Link to my data was with a file "Biotopwerte_Dresden_2028.geojson"
mydata = INPUT / "Biotopwerte_Dresden_2028.geojson"
-> Should the data name be changed to "Biotopwerte_Dresden_2018.geojson"