diff --git a/code/BasicFieldsTestPage.php b/code/BasicFieldsTestPage.php
index b54e847..57af0e3 100644
--- a/code/BasicFieldsTestPage.php
+++ b/code/BasicFieldsTestPage.php
@@ -50,11 +50,11 @@ class BasicFieldsTestPage extends TestPage
         'Money' => 'Money',
         'MyCompositeField1' => 'Varchar',
         'MyCompositeField2' => 'Varchar',
-        'MyCompositeField3' => 'Varchar',
+        'MyCompositeField3' => 'Int',
         'MyCompositeFieldCheckbox' => 'Boolean',
         'MyFieldGroup1' => 'Varchar',
         'MyFieldGroup2' => 'Varchar',
-        'MyFieldGroup3' => 'Varchar',
+        'MyFieldGroup3' => 'Int',
         'MyFieldGroupCheckbox' => 'Boolean',
         'MyLabelledFieldGroup1' => 'Varchar',
         'MyLabelledFieldGroup2' => 'Varchar',
@@ -70,7 +70,7 @@ class BasicFieldsTestPage extends TestPage
         'Time' => 'Time',
         'TimeHTML5' => 'Time',
         'ToggleCompositeTextField1' => 'Varchar',
-        'ToggleCompositeDropdownField' => 'Varchar',
+        'ToggleCompositeDropdownField' => 'Int',
         'Validated' => 'Int',
     );
 
@@ -323,13 +323,13 @@ public function getCMSFields()
                 $disabledField = $field->performDisabledTransformation();
                 $disabledField->setTitle($disabledField->Title() . ' (disabled)');
                 $disabledField->setName($disabledField->getName() . '_disabled');
-                $disabledField->setValue($this->getField($field->getName()));
+                $disabledField->setValue($field->getValue());
                 $tabObj->insertAfter($field->getName(), $disabledField);
 
                 $readonlyField = $field->performReadonlyTransformation();
                 $readonlyField->setTitle($readonlyField->Title() . ' (readonly)');
                 $readonlyField->setName($readonlyField->getName() . '_readonly');
-                $readonlyField->setValue($this->getField($field->getName()));
+                $readonlyField->setValue($field->getValue());
                 $tabObj->insertAfter($field->getName(), $readonlyField);
             }
         }
diff --git a/code/elemental/ElementContentExtension.php b/code/elemental/ElementContentExtension.php
index a517a50..7a162a6 100644
--- a/code/elemental/ElementContentExtension.php
+++ b/code/elemental/ElementContentExtension.php
@@ -28,7 +28,7 @@ class ElementContentExtension extends Extension
         'MyFile' => File::class,
     ];
 
-    protected function updatevalidate(ValidationResult $result)
+    protected function updateValidate(ValidationResult $result)
     {
         if ($this->owner->Title == 'x') {
             $result->addFieldError('Title', 'Title cannot be x');
diff --git a/code/elemental/NumericFieldExtension.php b/code/elemental/NumericFieldExtension.php
index 358c8e8..fd8e421 100644
--- a/code/elemental/NumericFieldExtension.php
+++ b/code/elemental/NumericFieldExtension.php
@@ -4,16 +4,17 @@
 
 use SilverStripe\Forms\NumericField;
 use SilverStripe\Core\Extension;
+use SilverStripe\Core\Validation\ValidationResult;
 
 /**
  * @extends Extension<NumericField>
  */
 class NumericFieldExtension extends Extension
 {
-    protected function updateValidationResult($result, $validator)
+    protected function updateValidate(ValidationResult $result)
     {
         if ($this->owner->Value() == 1) {
-            $validator->validationError($this->owner->getName(), 'This field cannot be 1');
+            $result->addFieldError($this->owner->getName(), 'This field cannot be 1');
         }
     }
 }