diff --git a/Classes/Integrity/Error/WrongParentError.php b/Classes/Integrity/Error/WrongParentError.php
new file mode 100644
index 00000000..5ed66272
--- /dev/null
+++ b/Classes/Integrity/Error/WrongParentError.php
@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace B13\Container\Integrity\Error;
+
+/*
+ * This file is part of TYPO3 CMS-based extension "container" by b13.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ */
+
+use TYPO3\CMS\Core\Messaging\AbstractMessage;
+
+class WrongParentError implements ErrorInterface
+{
+    private const IDENTIFIER = 'WrongParentError';
+
+    /**
+     * @var array
+     */
+    protected $containerRecord;
+
+    /**
+     * @var string
+     */
+    protected $errorMessage;
+
+    /**
+     * @param array $containerRecord
+     */
+    public function __construct(array $containerRecord)
+    {
+        $this->containerRecord = $containerRecord;
+        $this->errorMessage = self::IDENTIFIER . ': container uid ' . $containerRecord['uid'] .
+            ' (page: ' . $containerRecord['pid'] . ' language: ' . $containerRecord['sys_language_uid'] . ')' .
+            ' has tx_container_parent ' . $containerRecord['tx_container_parent'];
+    }
+
+    /**
+     * @return string
+     */
+    public function getErrorMessage(): string
+    {
+        return $this->errorMessage;
+    }
+
+    /**
+     * @return int
+     */
+    public function getSeverity(): int
+    {
+        return AbstractMessage::ERROR;
+    }
+
+    /**
+     * @return array
+     */
+    public function getContainerRecord(): array
+    {
+        return $this->containerRecord;
+    }
+}
diff --git a/Classes/Integrity/Integrity.php b/Classes/Integrity/Integrity.php
index 7da30076..b8dd60ce 100644
--- a/Classes/Integrity/Integrity.php
+++ b/Classes/Integrity/Integrity.php
@@ -17,6 +17,7 @@
 use B13\Container\Integrity\Error\UnusedColPosWarning;
 use B13\Container\Integrity\Error\WrongL18nParentError;
 use B13\Container\Integrity\Error\WrongLanguageWarning;
+use B13\Container\Integrity\Error\WrongParentError;
 use B13\Container\Integrity\Error\WrongPidError;
 use B13\Container\Tca\Registry;
 use TYPO3\CMS\Core\SingletonInterface;
@@ -66,15 +67,20 @@ public function run(): array
     private function nonDefaultLanguageRecords(array $cTypes, array $colPosByCType): void
     {
         $nonDefaultLanguageChildRecords = $this->database->getNonDefaultLanguageContainerChildRecords();
-        $nonDefaultLangaugeContainerRecords = $this->database->getNonDefaultLanguageContainerRecords($cTypes);
+        $nonDefaultLanguageContainerRecords = $this->database->getNonDefaultLanguageContainerRecords($cTypes);
+        foreach ($nonDefaultLanguageContainerRecords as $containerRecord) {
+            if ($containerRecord['uid'] === $containerRecord['tx_container_parent']) {
+                $this->res['errors'][] = new WrongParentError($containerRecord);
+            }
+        }
         $defaultLanguageContainerRecords = $this->database->getContainerRecords($cTypes);
         foreach ($nonDefaultLanguageChildRecords as $nonDefaultLanguageChildRecord) {
             if ($nonDefaultLanguageChildRecord['l18n_parent'] > 0) {
                 // connected mode
                 // tx_container_parent should be default container record uid
                 if (!isset($defaultLanguageContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']])) {
-                    if (isset($nonDefaultLangaugeContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']])) {
-                        $containerRecord = $nonDefaultLangaugeContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']];
+                    if (isset($nonDefaultLanguageContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']])) {
+                        $containerRecord = $nonDefaultLanguageContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']];
                         if ($containerRecord['sys_language_uid'] === $nonDefaultLanguageChildRecord['sys_language_uid'] && $containerRecord['l18n_parent'] > 0) {
                             $this->res['errors'][] = new ChildInTranslatedContainerError($nonDefaultLanguageChildRecord, $containerRecord);
                         } else {
@@ -83,8 +89,8 @@ private function nonDefaultLanguageRecords(array $cTypes, array $colPosByCType):
                     } else {
                         $this->res['warnings'][] = new NonExistingParentWarning($nonDefaultLanguageChildRecord);
                     }
-                } elseif (isset($nonDefaultLangaugeContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']])) {
-                    $containerRecord = $nonDefaultLangaugeContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']];
+                } elseif (isset($nonDefaultLanguageContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']])) {
+                    $containerRecord = $nonDefaultLanguageContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']];
                     $this->res['errors'][] = new WrongL18nParentError($nonDefaultLanguageChildRecord, $containerRecord);
                 }
             } else {
@@ -96,10 +102,10 @@ private function nonDefaultLanguageRecords(array $cTypes, array $colPosByCType):
                         $this->res['errors'][] = new WrongPidError($nonDefaultLanguageChildRecord, $containerRecord);
                     }
                     $this->res['warnings'][] = new WrongLanguageWarning($nonDefaultLanguageChildRecord, $containerRecord);
-                } elseif (!isset($nonDefaultLangaugeContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']])) {
+                } elseif (!isset($nonDefaultLanguageContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']])) {
                     $this->res['warnings'][] = new NonExistingParentWarning($nonDefaultLanguageChildRecord);
                 } else {
-                    $containerRecord = $nonDefaultLangaugeContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']];
+                    $containerRecord = $nonDefaultLanguageContainerRecords[$nonDefaultLanguageChildRecord['tx_container_parent']];
                     if ($containerRecord['pid'] !== $nonDefaultLanguageChildRecord['pid']) {
                         $this->res['errors'][] = new WrongPidError($nonDefaultLanguageChildRecord, $containerRecord);
                     }
@@ -120,6 +126,11 @@ private function nonDefaultLanguageRecords(array $cTypes, array $colPosByCType):
     private function defaultLanguageRecords(array $cTypes, array $colPosByCType): void
     {
         $containerRecords = $this->database->getContainerRecords($cTypes);
+        foreach ($containerRecords as $containerRecord) {
+            if ($containerRecord['uid'] === $containerRecord['tx_container_parent']) {
+                $this->res['errors'][] = new WrongParentError($containerRecord);
+            }
+        }
         $containerChildRecords = $this->database->getContainerChildRecords();
         foreach ($containerChildRecords as $containerChildRecord) {
             if (!isset($containerRecords[$containerChildRecord['tx_container_parent']])) {