requirejs和jqueryflexslider

无法找出此配置的错误

requirejs.config({
    "baseUrl": "content/themes/wpress/js",

    "paths": {
        "jquery": "vendor/jquery/jquery",
        "flexslider": "vendor/flexslider/jquery.flexslider-min",
        "enquire": "vendor/enquire/dist/enquire.min"
    },
    shim: {
        'flexslider': {
            deps: ['jquery'],
            exports: 'flexslider'
        },
        'enquire': {
            exports: 'enquire'
        }
    }
});

    requirejs(['jquery', 'flexslider', 'enquire'],
        function($, flexslider, enquire) {
            // loading flexslider and enquire
            $('.flexslider').flexslider({
                animation: 'slide',
                slideshow: false,
                itemMargin: 50
            }); //
            console.log(enquire + "Log");
        });

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通过此设置，我得到“未定义的不是函数”。如何解决此问题？

给出完整的实际错误消息。目前还不清楚错误对应的具体代码行。