Uncaught Error: Class

[TechOverflow]

Hi!
I installed this lib via composer and I get this error.

<b>Fatal error</b>: Uncaught Error: Class 'GoetasWebservices\Client\DHLExpressTrack\SoapContainer' not found in index.php:10

Line 10 is $container = new SoapContainer();.

I have tried various ways, including downloading the source. What could be the problem? I am running php 7.3.

Thanks!

[goetas]

Did you include the autoloader as in https://github.com/goetas-webservices/dhl-express-track-client/blob/master/example.php?

[TechOverflow]

Yes, I used the example in the same way, except renamed it to index.php.