And you can take a look to this article from @Yuri Marx 
https://community.intersystems.com/post/debug-objectscript-code-using-vs...

Regarding the documentation looks like you need to configure the port in the Business Service:

(Configured Web Services exposed using the SOAP Inbound Adapter may also be invoked with this URL parameter but because each configured Inbound Adapter listens on its own TCP/IP port this parameter is just a safety check for them.)

https://docs.intersystems.com/iris20241/csp/documatic/%25CSP.Documatic.c...

Try with _SYSTEM or SUPERUSER

Have you tried this package to parse HL7 from ER7 format to XML (and viceversa)?

https://openexchange.intersystems.com/package/Healthcare-HL7-XML

Well deserved!

This article from @Kurro Lopez can help you:

https://community.intersystems.com/post/how-send-messages-microsoft-teams

Have you tried to export it from 2014 and import it into 2018 instance using ^SECURITY command?

https://docs.intersystems.com/latest/csp/docbook/DocBook.UI.Page.cls?KEY...

I used it with no problem for this application:

https://community.intersystems.com/post/quinielaml-working-jwt-authentic...

The error message talks about a restriction for unauthorized access to %Api.Atelier class, maybe that class override the /login?

I was Java developer for more than 15 years and for me to use arguments by reference was totally disgusting, you can use it in Java, but it's not very common, in Objectscript is the opposite, Output arguments are the rule, no the exception.

Calling instance methods using variables not declared as arguments made me feel dirty.

Is the ID that you are using the same that was generated by the server? 

Long life to @Robert Cemper !
​​​​

Sales engineers are the best!

Congratulations to the winners!