Jenkins v 1.525
Delivery Pipeline plugin v 0.7.4

JavaScript console:
{{
GET https://jenkins.example.com/view/A_View/view/Test/api/json?_=1397739984320 500 (Internal Server Error)
send jquery.full.js:8240
jQuery.extend.ajax jquery.full.js:7719
updatePipelines pipe.js:2
(anonymous function) pipe.js:19
}}

Stack trace see https://gist.github.com/rickard-von-essen/10981424