<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def loading_failed(self, rdf_format_opts, uri=""):
 """default message if we need to abort loading"""

        if uri:
            uri = " <%s>" % str(uri)
        printDebug(
            "----------\nFatal error parsing graph%s\n(using RDF serializations: %s)"
            % (uri, str(rdf_format_opts)), "red")
        printDebug(
            "----------\nTIP: You can try one of the following RDF validation services\n<http://mowl-power.cs.man.ac.uk:8080/validator/validate>\n<http://www.ivan-herman.net/Misc/2008/owlrl/>"
        )

        return