symfony
diff --git a/‎UPGRADE-5.4.md
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diff --git a/‎UPGRADE-6.0.md
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diff --git a/‎src/Symfony/Component/Form/CHANGELOG.md
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diff --git a/‎src/Symfony/Component/Form/FormErrorIterator.php
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+6-2Lines changed: 6 additions & 2 deletions b/‎src/Symfony/Component/Form/FormErrorIterator.php
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+6-2Lines changed: 6 additions & 2 deletions
@@ -12,6 +12,11 @@ Finder
  * Deprecate `Comparator::setTarget()` and `Comparator::setOperator()`
  * Add a constructor to `Comparator` that allows setting target and operator
 
+Form
+------
+
+ * Deprecate calling `FormErrorIterator::children()` if the current element is not iterable.
+
 FrameworkBundle
 ---------------
 
 
@@ -69,6 +69,7 @@ Finder
 Form
 ----
 
+ * `FormErrorIterator::children()` throws an exception if the current element is not iterable.
  * The default value of the `rounding_mode` option of the `PercentType` has been changed to `\NumberFormatter::ROUND_HALFUP`.
  * The default rounding mode of the `PercentToLocalizedStringTransformer` has been changed to `\NumberFormatter::ROUND_HALFUP`.
  * Added the `getIsEmptyCallback()` method to the `FormConfigInterface`.
 
@@ -4,6 +4,7 @@ CHANGELOG
 5.4
 ---
 
+ * Deprecate calling `FormErrorIterator::children()` if the current element is not iterable.
  * Allow to pass `TranslatableMessage` objects to the `help` option
 
 5.3
 
@@ -13,6 +13,7 @@
 
 use Symfony\Component\Form\Exception\BadMethodCallException;
 use Symfony\Component\Form\Exception\InvalidArgumentException;
+use Symfony\Component\Form\Exception\LogicException;
 use Symfony\Component\Form\Exception\OutOfBoundsException;
 use Symfony\Component\Validator\ConstraintViolation;
 
@@ -213,13 +214,16 @@ public function hasChildren()
     }
 
     /**
-     * Alias of {@link current()}.
-     *
      * @return self
      */
     #[\ReturnTypeWillChange]
     public function getChildren()
     {
+        if (!$this->hasChildren()) {
+            trigger_deprecation('symfony/form', '5.4', 'Calling "%s()" if the current element is not iterable is deprecated, call "%s" to get the current element.', __METHOD__, self::class.'::current()');
+            // throw new LogicException(sprintf('The current element is not iterable. Use "%s" to get the current element.', self::class.'::current()'));
+        }
+
         return current($this->errors);
     }