xdmf error fix
@@ -309,7 +309,7 @@ class XdmfReader:
data = self._read_data_item(data_item)
if c.attrib["Center"] not in ["Node", "Cell"]:
- ReadError()
+ raise ReadError(f"Unknown center '{c.attrib['Center']}'.")
name = c.attrib["Name"]
if c.attrib["Center"] == "Node":
