Fix call to non-existing method in error case.

Change-Id: Id85d3182a8aaba53a3c863c12adefe0ec537f387
Hide errors from the property parser func for now.

Many geo-coordinates trigger spurious error messages on wikipedia
at the moment. We'll just ignore these errors for now, to avoid confusion.

Change-Id: I8166f3c1fdafa1dea8fef455c7dbc03acaaed6b3