magento2: M2.3.1 template binding not working

Preconditions (*)

Magento 2.3.1

Steps to reproduce (*)

1. Create a new empty module (example Alx_KnockoutExample)
2. Generate a new route (for example by using pestle pestle.phar generate_route Alx_KnockoutExample frontend alx_knockout)
3. Associate a block to the route (pestle.phar generate_view Alx_KnockoutExample frontend alx_knockout_index_index Main content.phtml 1column)
4. Create the file Alx/KnockoutExample/view/frontend/web/template/hello.html <p>Hello World</p>
5. Add the following code in content.phtml <div data-bind="template:'Alx_KnockoutExample/hello'"></div>
6. clean cache and run bin/magento setup:upgrade
7. Visit the url <magentoBaseUrl>/alx_knockout

Expected result (*)

I should see the message Hello world as defined in the hello.html file

Actual result (*)

The content is empty and inside chrome console I get the following

Uncaught TypeError: Unable to process binding "template: function(){return 'Alx_KnockoutExample/hello' }"
Message: Cannot read property 'name' of undefined
    at RemoteTemplateEngine.makeTemplateSource (engine.js:184)
    at RemoteTemplateEngine.renderTemplate (engine.js:246)
    at executeTemplate (knockout.js:5327)
    at ko.dependentObservable.disposeWhen (knockout.js:5391)
    at Function.evaluateImmediate_CallReadThenEndDependencyDetection (knockout.js:2183)
    at Function.evaluateImmediate_CallReadWithDependencyDetection (knockout.js:2150)
    at Function.evaluateImmediate (knockout.js:2111)
    at Object.ko.computed.ko.dependentObservable (knockout.js:1964)
    at Object.ko.renderTemplate (knockout.js:5383)
    at update (knockout.js:5518)