Fixes error message when lat/lng are unparseable

milli/src/update/index_documents/enrich.rs

@@ -98,7 +98,7 @@ pub fn enrich_documents_batch<R: Read + Seek>(
     // If the settings specifies that a _geo field must be used therefore we must check the
     // validity of it in all the documents of this batch and this is when we return `Some`.
     let geo_field_id = match documents_batch_index.id("_geo") {
-        Some(geo_field_id) if index.sortable_fields(rtxn)?.contains("_geo") => Some(geo_field_id),
+        Some(geo_field_id) if index.sortable_fields(rtxn)?.contains("_geo" ) || index.filterable_fields(rtxn)?.contains("_geo" ) => Some(geo_field_id),
         _otherwise => None,
     };