exception resolved in the create opportunity

templates/dealers/assign_car_makes.html

@@ -85,7 +85,7 @@
             {% endfor %}
         </div>
         <div class="d-grid gap-2">
-            <button class="btn btn-success btn-lg" type="submit"><i class="fa fa-save me-2"></i>{{ _("Save") }}</button>
+            <button class="btn btn-primary btn-lg" type="submit"><i class="fa fa-save me-2"></i>{{ _("Save") }}</button>
         </div>
     </form>
 {% endblock %}