+        error_msg = self._html_search_regex(
+            r'<p class="message">(.*?)</p>', webpage, 'error message',
+            default=None)
+        if error_msg:
+            raise ExtractorError(
+                '%s said: %s' % (self.IE_NAME, error_msg), expected=True)
+
+        # These clowns alternate between two page types