Internal Server Error on booking

I receive an Internal Server Error on checkout. Is Travel WP compatible with the current WooCommerce version? I am using WordPress 5.2. Do you have advice on fixing this error?

Here is a snippet of the code results in Google Chrome:

Error handling response: TypeError: Cannot read property ‘url’ of null
at Object.start (<URL>)
at <URL>
jquery-migrate.min.js:2 JQMIGRATE: Migrate is installed, version 1.4.1
/?wc-ajax=checkout:1 Failed to load resource: the server responded with a status of 500 (Internal Server Error)