diff --git a/internal/controllers/clustertemplate_controller.go b/internal/controllers/clustertemplate_controller.go
index 1618d0d6..fb39c89d 100644
--- a/internal/controllers/clustertemplate_controller.go
+++ b/internal/controllers/clustertemplate_controller.go
@@ -369,7 +369,7 @@ func validateTemplateParameterSchema(object *provisioningv1alpha1.ClusterTemplat
 		expectedType := param[1]
 		aSubschema, err := utils.ExtractSubSchema(object.Spec.TemplateParameterSchema.Raw, expectedName)
 		if err != nil {
-			if strings.HasPrefix(err.Error(), fmt.Sprintf("subSchema %s does not exist:", expectedName)) {
+			if strings.HasPrefix(err.Error(), fmt.Sprintf("subSchema '%s' does not exist:", expectedName)) {
 				missingParameter = append(missingParameter, expectedName)
 				continue
 			} else {
diff --git a/internal/controllers/utils/utils.go b/internal/controllers/utils/utils.go
index bc9646ab..924b1387 100644
--- a/internal/controllers/utils/utils.go
+++ b/internal/controllers/utils/utils.go
@@ -1243,37 +1243,37 @@ func ExtractSubSchema(mainSchema []byte, subSchemaKey string) (subSchema map[str
 		return subSchema, fmt.Errorf("failed to UnMarshall Main Schema: %w", err)
 	}
 	if _, ok := jsonObject[PropertiesString]; !ok {
-		return subSchema, fmt.Errorf("non compliant Main Schema, missing properties: %w", err)
+		return subSchema, fmt.Errorf("non compliant Main Schema, missing 'properties' section: %w", err)
 	}
 	properties, ok := jsonObject[PropertiesString].(map[string]any)
 	if !ok {
-		return subSchema, fmt.Errorf("could not cast properties as map[string]any: %w", err)
+		return subSchema, fmt.Errorf("could not cast 'properties' section of schema as map[string]any: %w", err)
 	}
 
 	subSchemaValue, ok := properties[subSchemaKey]
 	if !ok {
-		return subSchema, fmt.Errorf("subSchema %s does not exist: %w", subSchemaKey, err)
+		return subSchema, fmt.Errorf("subSchema '%s' does not exist: %w", subSchemaKey, err)
 	}
 
 	subSchema, ok = subSchemaValue.(map[string]any)
 	if !ok {
-		return subSchema, fmt.Errorf("subSchema %s is not a valid map: %w", subSchemaKey, err)
+		return subSchema, fmt.Errorf("subSchema '%s' is not a valid map: %w", subSchemaKey, err)
 	}
 	return subSchema, nil
 }
 
 // ExtractMatchingInput extracts the portion of the input data that corresponds to a given subSchema key.
-func ExtractMatchingInput(input []byte, subSchemaKey string) (any, error) {
+func ExtractMatchingInput(parentSchema []byte, subSchemaKey string) (any, error) {
 	inputData := make(map[string]any)
-	err := json.Unmarshal(input, &inputData)
+	err := json.Unmarshal(parentSchema, &inputData)
 	if err != nil {
-		return nil, fmt.Errorf("failed to unmarshal input: %w", err)
+		return nil, fmt.Errorf("failed to unmarshal parent schema: %w", err)
 	}
 
 	// Check if the input contains the subSchema key
 	matchingInput, ok := inputData[subSchemaKey]
 	if !ok {
-		return nil, fmt.Errorf("input does not contain key %s: %w", subSchemaKey, err)
+		return nil, fmt.Errorf("parent schema does not contain key '%s': %w", subSchemaKey, err)
 	}
 	return matchingInput, nil
 }
@@ -1282,16 +1282,16 @@ func ExtractMatchingInput(input []byte, subSchemaKey string) (any, error) {
 func ExtractSchemaRequired(mainSchema []byte) (required []string, err error) {
 	requireListAny, err := ExtractMatchingInput(mainSchema, requiredString)
 	if err != nil {
-		return required, fmt.Errorf("could not extract required fields: %w", err)
+		return required, fmt.Errorf("could not extract the 'required' section of schema: %w", err)
 	}
 	requiredAny, ok := requireListAny.([]any)
 	if !ok {
-		return required, fmt.Errorf("could not cast required as []any")
+		return required, fmt.Errorf("could not cast 'required' section as []any")
 	}
 	for _, item := range requiredAny {
 		itemString, ok := item.(string)
 		if !ok {
-			return required, fmt.Errorf("could not cast []any item as string")
+			return required, fmt.Errorf(`could not cast 'required' section item as a string`)
 		}
 		required = append(required, itemString)
 	}