I had to put the form-extensions-bundle right before the admingeneratorgenerator-bundle to make the rendering of 'help' work with the twig function form_row (using HelpMessageExtension).
This took me round about 4 hours.
$bundles[] = new Avocode\FormExtensionsBundle\AvocodeFormExtensionsBundle();
$bundles[] = new Admingenerator\GeneratorBundle\AdmingeneratorGeneratorBundle();
I had to put the form-extensions-bundle right before the admingeneratorgenerator-bundle to make the rendering of 'help' work with the twig function form_row (using HelpMessageExtension).
This took me round about 4 hours.
see also discussion in: https://github.com/avocode/FormExtensions/pull/9