shtumi_ajax_autocomplete dont receive DOMSubtreeModified event on Sonata Admin form

[maikelohcfg]

I use shtumi_ajax_autocomplete in a form provided by Sonata Admin Bundle it is a simple form with 4 fields in dev mode it work like a charm but in prod enviroment it keeping waiting for the launch of DOMSubtreeModified and the autocomplete is never instantiated.
I am using
"symfony/symfony": "2.8.*",
"sonata-project/doctrine-orm-admin-bundle": "dev-master",
"sonata-project/easy-extends-bundle": "^2.1",
"sonata-project/translation-bundle": "^1.0",
"sonata-project/user-bundle": "^2.2",
"sonata-project/media-bundle": "dev-master",
"shtumi/useful-bundle": "dev-master",