reinstalled all contribs with composer

need to run :
drush ev 'drupal_flush_all_caches();'
drush cr
and restart nginx and php-fpm before loading the website

web/modules/custom/edlp_ajax/includes/edlp_ajax.inc

@@ -0,0 +1,13 @@
+<?php
+
+// use Drupal\Core\Url;
+
+function template_preprocess_edlp_ajax(&$vars){
+  // dpm($vars);
+/*
+  @see https://www.drupal8.ovh/index.php/en/tutoriels/339/render-a-node-or-an-entity
+  */
+  $view_builder = \Drupal::entityTypeManager()->getViewBuilder($vars['entity_type']);
+  $vars['content'] = $view_builder->view($vars['entity'], $vars['view_mode']);
+
+}