Hello,
I'm trying to write a Javascript Connector in ACv6 to send messages to a REST service, that belongs to my customer, but It doesn't work. The below error message is shown in the delivery log:

I have created an External Account with the bellow configuration:

And an agency delivery with the previous External Account assigned:

I think the javascript does not get executed and the issue is in the delivery. Someome could help me?
Thank you in advance.
Regards,
Andrés.