Why does Ajax prevents managed_file to be displayed?
I have this form created by this code: public function buildForm(array $ form, FormStateInterface $ form_state, $ contractId = NULL) { some initialisation code… $ database = \Drupal::database(); // From database to populate $ form[‘designation’] $ query_am = $ database->select(‘member’, ‘am’); $ query_am->fields(‘am’, [‘id’, ‘designation’]); $ query_am->condition(‘status’, [2, 3, 4], ‘IN’) ->orderBy(‘designation’, ‘ASC’); $ aMembers […]