diff --git a/src/App/Page.php b/src/App/Page.php
index 7b3bc286f3..ca98bb6b23 100644
--- a/src/App/Page.php
+++ b/src/App/Page.php
@@ -30,15 +30,26 @@ class Page implements ArrayAccess
 	/**
 	 * @var array Contains all stylesheets, which should get loaded during page
 	 */
-	private $stylesheets;
+	private $stylesheets = [];
 	/**
 	 * @var array Contains all scripts, which are added to the footer at last
 	 */
-	private $footerScripts;
+	private $footerScripts = [];
 	/**
 	 * @var array The page content, which are showed directly
 	 */
-	private $page;
+	private $page = [
+		'aside'       => '',
+		'bottom'      => '',
+		'content'     => '',
+		'footer'      => '',
+		'htmlhead'    => '',
+		'nav'         => '',
+		'page_title'  => '',
+		'right_aside' => '',
+		'template'    => '',
+		'title'       => '',
+	];
 	/**
 	 * @var string The basepath of the page
 	 */
@@ -50,19 +61,6 @@ class Page implements ArrayAccess
 	public function __construct(string $basepath)
 	{
 		$this->basePath = $basepath;
-
-		$this->page = [
-			'aside'       => '',
-			'bottom'      => '',
-			'content'     => '',
-			'footer'      => '',
-			'htmlhead'    => '',
-			'nav'         => '',
-			'page_title'  => '',
-			'right_aside' => '',
-			'template'    => '',
-			'title'       => ''
-		];
 	}
 
 	/**
diff --git a/src/Core/ACL.php b/src/Core/ACL.php
index 880a1e47ff..3f163216e3 100644
--- a/src/Core/ACL.php
+++ b/src/Core/ACL.php
@@ -333,6 +333,13 @@ class ACL extends BaseObject
 		// Defaults user permissions
 		if (empty($default_permissions)) {
 			$default_permissions = self::getDefaultUserPermissions($user);
+		} else {
+			$default_permissions = [
+				'allow_cid' => $default_permissions['allow_cid'] ?? [],
+				'allow_gid' => $default_permissions['allow_gid'] ?? [],
+				'deny_cid'  => $default_permissions['deny_cid']  ?? [],
+				'deny_gid'  => $default_permissions['deny_gid']  ?? [],
+			];
 		}
 
 		if (count($default_permissions['allow_cid'])
@@ -352,7 +359,7 @@ class ACL extends BaseObject
 			$pubmail_enabled = false;
 
 			if (function_exists('imap_open') && !Config::get('system', 'imap_disabled')) {
-				$mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', $user['úid']]);
+				$mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', $user['uid']]);
 				if (DBA::isResult($mailacct)) {
 					$mail_enabled = true;
 					$pubmail_enabled = !empty($mailacct['pubmail']);