Amazon Payments Module Broken

[rever5e]

Running a Prestashop 1.6.1.2 store with the Amazon Payments Module v 2.0.18.  When attempting to login i am redirected to Amazon's website as expect, i login successfully then i am redirected back to my own site.  Once I arrive back at my own site i am greeted with the following error:

 

 

Has anyone ran into something like this?

Edited March 6, 2016 by rever5e (see edit history)

[patworx]

This is the generic message of PrestaShop. Could you please look in your php-errorlog? There you should find a specific message what's going wrong. At this specific point, this message usually appears if there is some problem with php-curl, fetching the user-data from Amazon. Could be server-related or configuration-related.

 

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[rever5e]

Hmm i don't see any errors in the PHP log.  I'm going to investigate this more.

 

It doesn't look like a generic error from Prestashop it's been triggered when the AJAX request fails as far as i can tell from this snippet.

    $(document).ready(function() {
        $.ajax({
            type: 'GET',
            url: SETUSERAJAX,
            data: 'ajax=true&method=setusertoshop&access_token=' + accessToken,
            success: function(htmlcontent) {
                if (htmlcontent == 'error') {
                    alert('An error occured - please try again or contact our support');
                } else {
                    window.location = htmlcontent;
                }
            }
        });
    });;

The only other potential issue i can see is the following error in the debugger console:

 

[patworx]

The AJAX request returns "error". So this is the generic message

But when "error" is returned, there must be an entry in the error-log.

[rever5e]

The AJAX request returns "error". So this is the generic message

But when "error" is returned, there must be an entry in the error-log.

 

Ah yes i see the PHP error now: "Error, method not submitted and no token"