diff --git a/sale_invoice_policy/__manifest__.py b/sale_invoice_policy/__manifest__.py
index 3bb66a7e568c..654dfbbef0c2 100644
--- a/sale_invoice_policy/__manifest__.py
+++ b/sale_invoice_policy/__manifest__.py
@@ -16,5 +16,6 @@
         "views/res_config_settings_view.xml",
         "views/sale_view.xml",
     ],
+    "installable": False,
     "post_init_hook": "post_init_hook",
 }
diff --git a/sale_loyalty_exclude/models/sale_order.py b/sale_loyalty_exclude/models/sale_order.py
index 21859ff966ee..f45fc47d0c62 100644
--- a/sale_loyalty_exclude/models/sale_order.py
+++ b/sale_loyalty_exclude/models/sale_order.py
@@ -14,3 +14,22 @@ def _get_no_effect_on_threshold_lines(self):
         self.ensure_one()
         lines = self.order_line.filtered(lambda line: line.product_id.loyalty_exclude)
         return lines | super()._get_no_effect_on_threshold_lines()
+
+    def _has_non_loyalty_exclude(self):
+        """Check if any order line does not have loyalty_exclude set to True."""
+        for line in self.order_line:
+            if not line.product_id.loyalty_exclude:
+                return True
+        return False
+
+    def _get_claimable_rewards(self, forced_coupons=None):
+        if not self._has_non_loyalty_exclude():
+            return {}
+        else:
+            return super()._get_claimable_rewards(forced_coupons=forced_coupons)
+
+    def _try_apply_program(self, program, coupon=None):
+        if not self._has_non_loyalty_exclude():
+            return {"error": ("This code is invalid.")}
+        else:
+            return super()._try_apply_program(program, coupon=coupon)