Error when creating service connection from catalog

Summary:

Hi,

we have set up a few service connections in Oracle Integration:

However when we want to use them inside visual builder by doing the following:

Selecting Integration Applications

Then we get confronted with the following error:

Somehow the Visual Builder is unable to connect to Oracle Integration despite there being a connection being set up:

I do see a bunch of errors in the browser console when we are trying to configure a service connection from catalog in Visual Builder to Oracle Integration:

I have added the URL's in Allowed Origins inside the tenant Settings of Visual Builder.