It means the doc argument isn't an object, which is bizarre since you used it to call parse_file. You need to either use the debugger or print ref($doc) and ref($rng), use Data::Dumper, try to see what's going on. Since it's XS, it could get trickier..

In reply to Re: 'not a blessed SV reference' from XML::LibXML::RelaxNG::validate() by ForgotPasswordAgain
in thread 'not a blessed SV reference' from XML::LibXML::RelaxNG::validate() by RoUS

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