Magento – Can Not View Content Blocks due to require.js error – Magento 2 theme change

Have you done the following?

• Clear Magento cache
• Clear browser cache
• Delete the following directory
  • var/pre_processed
  • pub/static/frontend
  • pub/static/_requirejs
• Reload the page

The majority of the time I see errors like this it's because of caching and/or symlinks.

 Update

Thanks for including your code, I think this is happening because you are adding JS via XML. This is no longer the best way to add JS in Magento, you should take a look at Require JS.

The require_config.js does not load JS file, all you've done there is add aliases and dependencies for your scripts.

To load an actual script you need to use either x-magento-init or data-mage-init. Read here for the full info.

I think you need to do something along these lines:

In your PHTML template:

Replace * with your element ID/Class.

<script type="text/x-magento-init">
{
    "*": {
            "slick": {}
    }
}
</script>

Initialise Slick Initialise Slick in here.

define(['jquery', 'slick', 'domReady!'], function($, slick) {
    'use strict';

    $('.your-element').slick();
});

app/code/SR/MagentoCommunity/view/frontend/requirejs-config.js

var config = {
    config: {
        mixins: {
            'Magento_Checkout/js/action/select-shipping-method': {
                'SR_MagentoCommunity/js/mixin/select-shipping-method-mixin': true
            }
        }
    }
};

app/code/SR/MagentoCommunity/view/frontend/web/js/mixin/select-shipping-method-mixin.js

define([
    'jquery'
], function ($) {
    'use strict';

    return function (target) {
        return function (shippingMethod) {
            // call original method
            target(shippingMethod);
        };
    }
});