symfony
diff --git a/‎src/Symfony/Component/PropertyAccess/PropertyAccessor.php‎
Lines changed: 2 additions & 2 deletions b/‎src/Symfony/Component/PropertyAccess/PropertyAccessor.php‎
Lines changed: 2 additions & 2 deletions
@@ -413,7 +413,7 @@ private function readProperty(array $zval, string $property, bool $ignoreInvalid
                         [$trace] = $e->getTrace();
 
                         // handle uninitialized properties in PHP >= 7
-                        if (__FILE__ === $trace['file']
+                        if (__FILE__ === ($trace['file'] ?? null)
                             && $name === $trace['function']
                             && $object instanceof $trace['class']
                             && preg_match('/Return value (?:of .*::\w+\(\) )?must be of (?:the )?type (\w+), null returned$/', $e->getMessage(), $matches)
@@ -545,7 +545,7 @@ private function writeProperty(array $zval, string $property, mixed $value, bool
                 throw new NoSuchPropertyException(sprintf('Could not determine access type for property "%s" in class "%s".', $property, get_debug_type($object)));
             }
         } catch (\TypeError $e) {
-            if ($recursive || !$value instanceof \DateTimeInterface || !\in_array($value::class, ['DateTime', 'DateTimeImmutable'], true) || __FILE__ !== $e->getTrace()[0]['file']) {
+            if ($recursive || !$value instanceof \DateTimeInterface || !\in_array($value::class, ['DateTime', 'DateTimeImmutable'], true) || __FILE__ !== ($e->getTrace()[0]['file'] ?? null)) {
                 throw $e;
             }