# Error fetching

* adds proper fetching of GDAL Exceptions in case of further problems in the future

konova/utils/schneider/fetcher.py

@@ -9,6 +9,7 @@ import json
 from json import JSONDecodeError
 
 import requests
+from django.contrib.gis import gdal
 
 from konova.sub_settings import schneider_settings
 from konova.sub_settings.lanis_settings import DEFAULT_SRID
@@ -35,7 +36,10 @@ class ParcelFetcher:
         if geom.area < buffer_threshold:
             # Fallback for malicious geometries which are way too small and would disappear on negative buffering
             geom = geometry.geom
-        geom.transform(DEFAULT_SRID)
+        try:
+            geom.transform(DEFAULT_SRID)
+        except gdal.GDALException as e:
+            raise ValueError(f"{str(e)}\nCould not transform geometry (id: {geometry.id}) to {DEFAULT_SRID}:\n {geom.geojson}")
         self.geojson = geom.ewkt
         self.results = []