If I check the first-party cookies for my domain, I see that I do have a 'mbox' cookie and it does have a value for 'session' in it. I was under the impression that at.js took care of all of this automatically (setting the cookie and pulling its value before sending requests). Am I missing something?
I also get error:
AT: request failed Error: Errors: field - [execute.mboxes] - global mbox is not allowed in mboxes.;
Which I assume is some other difference between Target 1 and Target 2 I have overlooked which may be a separate issue. I also get this entirely unhelpful error message: