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Minicart: failed to load template

I’m using a custom template and having an issue with the minicart rendering.
The minicart pop-up renders, but does not gather any data with 2 errors in the console.
enter image description here

So the popup does open when you click on it, but due to the errors above, only part of the contents are being loaded:

enter image description here

More info about the environment:

  • Custom theme does not overwrite any Catalog or checkout templates

  • The theme is based upon Luma theme and the minicart does work as expected when activating the Luma theme.

  • Tried resetting cache, compiling and regenerating multiple times

  • I’ve also tried copying the template files from the base folders to my theme, but the same issue remains

  • The minicart template in the layout file is a straight up copy from the base magento files

    <block class="MagentoCheckoutBlockCartSidebar" name="minicart" as="minicart" after="logo" template="Magento_Checkout::cart/minicart.phtml">
             <arguments>
                 <argument name="jsLayout" xsi:type="array">
                     <item name="types" xsi:type="array"/>
                     <item name="components" xsi:type="array">
                         <item name="minicart_content" xsi:type="array">
                             <item name="component" xsi:type="string">Magento_Checkout/js/view/minicart</item>
                             <item name="config" xsi:type="array">
                                 <item name="template" xsi:type="string">Magento_Checkout/minicart/content</item>
                             </item>
                             <item name="children" xsi:type="array">
                                 <item name="subtotal.container" xsi:type="array">
                                     <item name="component" xsi:type="string">uiComponent</item>
                                     <item name="config" xsi:type="array">
                                         <item name="displayArea" xsi:type="string">subtotalContainer</item>
                                     </item>
                                     <item name="children" xsi:type="array">
                                         <item name="subtotal" xsi:type="array">
                                             <item name="component" xsi:type="string">uiComponent</item>
                                             <item name="config" xsi:type="array">
                                                 <item name="template" xsi:type="string">Magento_Checkout/minicart/subtotal</item>
                                             </item>
                                         </item>
                                     </item>
                                 </item>
                                 <item name="extra_info" xsi:type="array">
                                     <item name="component" xsi:type="string">uiComponent</item>
                                     <item name="config" xsi:type="array">
                                         <item name="displayArea" xsi:type="string">extraInfo</item>
                                     </item>
                                 </item>
                                 <item name="promotion" xsi:type="array">
                                     <item name="component" xsi:type="string">uiComponent</item>
                                     <item name="config" xsi:type="array">
                                         <item name="displayArea" xsi:type="string">promotion</item>
                                     </item>
                                 </item>
                             </item>
                         </item>
                     </item>
                 </argument>
             </arguments>
             <container name="minicart.addons" label="Mini-cart promotion block"/>
         </block>`

Could it be that I am missing or filtering out any Javascript loading in the custom theme?
The theme I’m using is built upon Magento2-sass-tailwind-theme with mostly upgrades to styles.

If anyone could point me in the right direction, I would be most grateful.