#fixed code
                                public Variable createVariable(ParserData data, ModuleLoader loader, Scope scope, boolean mutable, boolean nullable, String type, String name) {
        if (StringUtils.isEmpty(type)) {
            throw new PandaParserFailure("Type does not specified", data);
        }

        Optional<ClassPrototypeReference> prototype = loader.forClass(type);

        if (!prototype.isPresent()) {
            throw new PandaParserFailure("Cannot recognize variable type: " + type, data);
        }

        Variable variable = new PandaVariable(prototype.get(), name, 0, mutable, nullable);
        scope.addVariable(variable);

        return variable;
    }
#vulnerable code 
                                public Variable createVariable(ParserData data, ModuleLoader loader, Scope scope, boolean mutable, boolean nullable, String type, String name) {
        ClassPrototype prototype = loader.forClass(type).fetch();

        if (!StringUtils.isEmpty(type) && prototype == null) {
            throw new PandaParserFailure("Cannot recognize variable type: " + type, data);
        }

        Variable variable = new PandaVariable(prototype, name, 0, mutable, nullable);
        scope.addVariable(variable);

        return variable;
    } 
                            #location 2 
                            #vulnerability type NULL_DEREFERENCE