diff --git a/include/register.php b/include/register.php
index 6c6e905..8be03ff 100644
--- a/include/register.php
+++ b/include/register.php
@@ -15,12 +15,17 @@ class Register extends Renderer {
     protected string $templateName = 'renderer';
     
     protected function formAction(): void {
+        error_log('DEBUG Register::formAction aufgerufen');
         if (!$this->formCheckFields()) {
+            error_log('DEBUG Register::formCheckFields fehlgeschlagen: ' . print_r($this->errors, true));
             // Bei Validierungsfehlern: nichts speichern, keine Mail, Fehler im Formular anzeigen
             return;
         }
+        error_log('DEBUG Register::formCheckFields ok, schreibe in DB');
         $this->writeToDb();
+        error_log('DEBUG Register::writeToDb erledigt, sende Mail');
         $this->sendEmail();
+        error_log('DEBUG Register::sendEmail beendet, Errors: ' . print_r($this->errors, true));
         if (count($this->errors) === 0) {
             $this->templateName = 'register_successful';
         }
diff --git a/index.php b/index.php
index 54bbb9e..3e42c9e 100644
--- a/index.php
+++ b/index.php
@@ -1,4 +1,10 @@
 <?php 
+// Temporäre Fehlerausgabe und Logging für Debugzwecke
+ini_set('display_errors', '0');
+ini_set('log_errors', '1');
+ini_set('error_reporting', (string)E_ALL);
+ini_set('error_log', __DIR__ . '/php-error.log');
+
 if (isset($_REQUEST['q']) && substr($_REQUEST['q'], -4) === '.php') {
     $url = substr($_REQUEST['q'], 0, -4);
     header('Location: ' . $url, true, 301);