diff --git a/include/materials/ComputeMultipleInelasticDamageStress.h b/include/materials/ComputeMultipleInelasticDamageStress.h
index a450a7ea..8a9a3a74 100644
--- a/include/materials/ComputeMultipleInelasticDamageStress.h
+++ b/include/materials/ComputeMultipleInelasticDamageStress.h
@@ -25,6 +25,7 @@ class ComputeMultipleInelasticDamageStress : public ComputeMultipleInelasticStre
   static InputParameters validParams();
   ComputeMultipleInelasticDamageStress(const InputParameters & parameters);
   virtual void initialSetup() override;
+
 protected:
   /// damage parameter for DamagePlasticityStressUpdate model
   const MaterialProperty<Real> & _D;
diff --git a/include/materials/DamagePlasticityStressUpdate.h b/include/materials/DamagePlasticityStressUpdate.h
index 92f5435c..e8b47c5a 100644
--- a/include/materials/DamagePlasticityStressUpdate.h
+++ b/include/materials/DamagePlasticityStressUpdate.h
@@ -134,7 +134,7 @@ class DamagePlasticityStressUpdate : public MultiParameterPlasticityStressUpdate
   /**
    * Obtain the partial derivative of the compressive strength to the damage state
    * @param intnl (Array containing damage states in tension and compression, respectively)
-   * @return value of dfc 
+   * @return value of dfc
    */
   Real dfc(const std::vector<Real> & intnl) const;
 
@@ -143,7 +143,7 @@ class DamagePlasticityStressUpdate : public MultiParameterPlasticityStressUpdate
    * It is defined in terms of tensile strength, compressive strength, and another
    * dimensionless constant alpha (See Eqn. 37 in Lee (1998))
    * @param intnl (Array containing damage states in tension and compression, respectively)
-   * @return value of beta 
+   * @return value of beta
    */
   Real beta(const std::vector<Real> & intnl) const;
 
diff --git a/src/materials/ComputeMultipleInelasticDamageStress.C b/src/materials/ComputeMultipleInelasticDamageStress.C
index 55b712b2..bfd2e133 100644
--- a/src/materials/ComputeMultipleInelasticDamageStress.C
+++ b/src/materials/ComputeMultipleInelasticDamageStress.C
@@ -35,12 +35,13 @@ ComputeMultipleInelasticDamageStress::ComputeMultipleInelasticDamageStress(
 {
 }
 
-void 
+void
 ComputeMultipleInelasticDamageStress::initialSetup()
 {
   ComputeMultipleInelasticStress::initialSetup();
   if (_models.size() != 1)
-    paramError("ComputeMultipleInelasticDamageStress currently can only have one model specified in 'inelastic_models'");
+    paramError("ComputeMultipleInelasticDamageStress currently can only have one model specified "
+               "in 'inelastic_models'");
   if (!dynamic_cast<DamagePlasticityStressUpdate *>(_models[0]))
     paramError("Model " + _models[0]->name() + " is not a DamagePlasticityStressUpdate object");
 }
diff --git a/test/tests/damage_plasticity_model/tests b/test/tests/damage_plasticity_model/tests
index 69315936..5ac05b4a 100644
--- a/test/tests/damage_plasticity_model/tests
+++ b/test/tests/damage_plasticity_model/tests
@@ -52,6 +52,28 @@
       allow_test_objects = True
       cli_args = 'Outputs/file_base=shear_test_out'
       detail = ' in shear loading.'
+     
     []
+    [error_message_check]
+      requirement = 'Blackbear shall produce an error message when input required for the inelastic_models are not properly set by user:'
+      [inelastic_models_name]
+        type = 'RunException'
+        input = 'uniaxial_test.i'
+        cli_args = "Materials/stress/inelastic_models='perfect_plasticity'"
+        expect_err = "Model perfect_plasticity is not a DamagePlasticityStressUpdate object"
+        allow_test_objects = True
+        detail = "When inelastic_models is not given as damage_plasticity_model"
+      [] 
+    []   
+
+      [inelastic_models_size]
+        type = 'RunException'
+        input = 'uniaxial_test.i'
+        cli_args = "Materials/stress/inelastic_models='damage_plasticity_model perfect_plasticity'"
+        expect_err = "ComputeMultipleInelasticDamageStress currently can only have one model specified in 'inelastic_models'"
+        allow_test_objects = True
+        detail = "When inelastic_models has more than one model as input"
+      []          
+          
   []
 []
diff --git a/test/tests/damage_plasticity_model/uniaxial_test.i b/test/tests/damage_plasticity_model/uniaxial_test.i
index 7540c93f..ea502acc 100644
--- a/test/tests/damage_plasticity_model/uniaxial_test.i
+++ b/test/tests/damage_plasticity_model/uniaxial_test.i
@@ -222,8 +222,6 @@
   []
   [stress]
     type = ComputeMultipleInelasticDamageStress
-#   The following line is for error testing
-#   inelastic_models = 'damage_plasticity_model perfect_plasticity' 
     inelastic_models = 'damage_plasticity_model'
     perform_finite_strain_rotations = false
   []