Stable

application/modules/admin/views/scripts/custom-fields-report/edit.phtml

 <?php
-echo $this->renderForm($this->form, [
-  $this->bouton('type=V', "form=" . $this->form->getAttrib('id'), "javascript=;setFlagMaj(false);"),
-  $this->bouton('picto=test', "texte=Générer", "id=generate", 'largeur=100px'),
-  $this->bouton('id=29', 'picto=back',
-                sprintf('texte=%s', $this->_('Retour')),
-                'url='. $this->url(['action' => 'index']),
-                'largeur=120px')
-]);
+echo $this->renderForm($this->form, ['add' => [$this->bouton('picto=test',
+                                                             'texte=' . $this->_('Générer'),
+                                                             'id=generate',
+                                                             'largeur=120px')]]);
 
 Class_ScriptLoader::getInstance()
   ->addAdminScript('custom-fields/custom_fields')