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templates/register.html

@@ -4,6 +4,9 @@
     <div class="row justify-content-center">
         <div class="col-md-6">
             <h1 class="text-center">Register</h1>
+            {% if error %}
+                <div class="alert alert-danger">{{ error }}</div>
+            {% endif %}
             <form method="POST">
                 <div class="mb-3">
                     <label for="email" class="form-label">Email</label>