add error to log

bin/PDBValidationExtract

@@ -97,7 +97,7 @@ def processXMLFile(infile, args):
     except AssertionError as e:
         return [], []
     except Exception as e:
-        ost.LogError("Couldn't load validation data for %s" % infile)
+        ost.LogError("Couldn't load validation data for %s: %s" % (infile, str(e)))
         return [], []
     pdbid = doc.getPDBId()