diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e429f82..91dafebf 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+## [0.9.3] - 2019-07-07
+### Fixed
+- Flextype Core: Entries - issue with binding arguments inside method fetchAll() - fixed. #182
+- Flextype Core: Entries - issue with possible boolean false result from Filesystem::getTimestamp() inside method fetchAll() - fixed. #182
+- Flextype Core: Entries - issue with possible boolean false result from Filesystem::getTimestamp() inside method fetch() - fixed. #182
+- Flextype Admin Panel: critical issue with possibility to register two admins! - fixed. #183 #182
+- Flextype Admin Panel: Left Navigation - active state for Templates area - fixed. #182
+- Flextype Default Theme: issue with `TypeError: undefined is not an object` for lightbox - fixed. #182
+- Flextype Default Theme: fix thumbnail image for Default Theme #182
+
+
 ## [0.9.2] - 2019-07-06
 ### Added
 - Flextype Default Theme: pagination for blog entries added. #164 #165
diff --git a/README.md b/README.md
index e0974afd..3a6d1981 100755
--- a/README.md
+++ b/README.md
@@ -128,6 +128,7 @@ Flextype is open source, community driven project, and maintained by community!
 
 * [Github Repository](https://github.com/flextype/flextype)
 * [Discord](https://discord.gg/CCKPKVG)
+* [Forum](http://forum.flextype.org)
 * [Vkontakte](https://vk.com/flextype)
 * [Twitter](https://twitter.com/getflextype)
 
diff --git a/flextype/bootstrap.php b/flextype/bootstrap.php
index 557a8a8a..a898b11f 100755
--- a/flextype/bootstrap.php
+++ b/flextype/bootstrap.php
@@ -21,7 +21,7 @@ use Flextype\Component\Filesystem\Filesystem;
  *
  * @var string
  */
-define('FLEXTYPE_VERSION', '0.9.2');
+define('FLEXTYPE_VERSION', '0.9.3');
 
 /**
  * Start the session
diff --git a/flextype/core/Entries.php b/flextype/core/Entries.php
index 8451c077..295a4c6d 100755
--- a/flextype/core/Entries.php
+++ b/flextype/core/Entries.php
@@ -70,7 +70,11 @@ class Entries
 
             // Create unique entry cache_id
             // Entry Cache ID = entry + entry file + entry file time stamp
-            $entry_cache_id = md5('entry' . $entry_file . Filesystem::getTimestamp($entry_file));
+            if ($timestamp = Filesystem::getTimestamp($entry_file)) {
+                $entry_cache_id = md5('entry' . $entry_file . $timestamp);
+            } else {
+                $entry_cache_id = md5('entry' . $entry_file);
+            }
 
             // Try to get the requested entry from cache
             if ($this->flextype['cache']->contains($entry_cache_id)) {
@@ -178,6 +182,7 @@ class Entries
 
         // Bind: where
         if (isset($args['where']['key']) && isset($args['where']['expr']) && isset($args['where']['value'])) {
+            $bind_where = [];
             $bind_where['where']['key'] = $args['where']['key'];
             $bind_where['where']['expr'] = $expression[$args['where']['expr']];
             $bind_where['where']['value'] = $args['where']['value'];
@@ -187,6 +192,7 @@ class Entries
 
         // Bind: and where
         if (isset($args['and_where']['key']) && isset($args['and_where']['expr']) && isset($args['and_where']['value'])) {
+            $bind_and_where = [];
             $bind_and_where['and_where']['key'] = $args['and_where']['key'];
             $bind_and_where['and_where']['expr'] = $expression[$args['and_where']['expr']];
             $bind_and_where['and_where']['value'] = $args['and_where']['value'];
@@ -196,6 +202,7 @@ class Entries
 
         // Bind: or where
         if (isset($args['or_where']['key']) && isset($args['or_where']['expr']) && isset($args['or_where']['value'])) {
+            $bind_or_where = [];
             $bind_or_where['or_where']['key'] = $args['or_where']['key'];
             $bind_or_where['or_where']['expr'] = $expression[$args['or_where']['expr']];
             $bind_or_where['or_where']['value'] = $args['or_where']['value'];
@@ -205,6 +212,7 @@ class Entries
 
         // Bind: order by
         if (isset($args['order_by']['field']) && isset($args['order_by']['direction'])) {
+            $bind_order_by = [];
             $bind_order_by['order_by']['field'] = $args['order_by']['field'];
             $bind_order_by['order_by']['direction'] = $args['order_by']['direction'];
         } else {
@@ -226,7 +234,11 @@ class Entries
                 // ignore ...
             } else {
                 if ($current_entry['type'] == 'dir' && Filesystem::has($current_entry['path'] . '/entry.json')) {
-                    $_entries_ids .= 'entry:' . ltrim(rtrim(str_replace(PATH['entries'], '', $current_entry['path']), '/'), '/') . ' timestamp:' . Filesystem::getTimestamp($current_entry['path'] . '/entry.json') . ' ';
+                    if ($timestamp = Filesystem::getTimestamp($current_entry['path'] . '/entry.json')) {
+                        $_entries_ids .= 'entry:' . ltrim(rtrim(str_replace(PATH['entries'], '', $current_entry['path']), '/'), '/') . ' timestamp:' . $timestamp;
+                    } else {
+                        $_entries_ids .= 'entry:' . ltrim(rtrim(str_replace(PATH['entries'], '', $current_entry['path']), '/'), '/');
+                    }
                 }
             }
         }
diff --git a/site/plugins/admin/app/Controllers/TemplatesController.php b/site/plugins/admin/app/Controllers/TemplatesController.php
index 84821657..de4484d3 100644
--- a/site/plugins/admin/app/Controllers/TemplatesController.php
+++ b/site/plugins/admin/app/Controllers/TemplatesController.php
@@ -79,7 +79,7 @@ class TemplatesController extends Controller
             $response,
             'plugins/admin/views/templates/extends/themes/templates/add.html',
             [
-            'menu_item' => 'templates',
+            'menu_item' => 'themes',
             'theme' => $theme,
             'links' =>  [
                             'themes' => [
@@ -153,7 +153,7 @@ class TemplatesController extends Controller
             $response,
             'plugins/admin/views/templates/extends/themes/templates/edit.html',
             [
-            'menu_item' => 'templates',
+            'menu_item' => 'themes',
             'theme' => $theme,
             'id' => $request->getQueryParams()['id'],
             'data' => Filesystem::read(PATH['themes'] . '/' . $theme . '/' . $this->_type_location($type) . $request->getQueryParams()['id'] . '.html'),
@@ -227,7 +227,7 @@ class TemplatesController extends Controller
             $response,
             'plugins/admin/views/templates/extends/themes/templates/rename.html',
             [
-            'menu_item' => 'templates',
+            'menu_item' => 'themes',
             'theme' => $theme,
             'types' => ['partial' => __('admin_partial'), 'template' => __('admin_template')],
             'id_current' => $request->getQueryParams()['id'],
diff --git a/site/plugins/admin/app/Controllers/UsersController.php b/site/plugins/admin/app/Controllers/UsersController.php
index 1e45f78d..622ad726 100644
--- a/site/plugins/admin/app/Controllers/UsersController.php
+++ b/site/plugins/admin/app/Controllers/UsersController.php
@@ -6,6 +6,8 @@ use Flextype\Component\Filesystem\Filesystem;
 use Flextype\Component\Session\Session;
 use Flextype\Component\Text\Text;
 use function Flextype\Component\I18n\__;
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
 
 /**
  * @property View $view
@@ -23,14 +25,22 @@ class UsersController extends Controller
         );
     }
 
-    public function login($request, $response)
+    /**
+     * Login page
+     *
+     * @param Request  $request  PSR7 request
+     * @param Response $response PSR7 response
+     *
+     * @return Response
+     */
+    public function login(Request $request, Response $response) : Response
     {
         $users = $this->getUsers();
 
         if ((Session::exists('role') && Session::get('role') == 'admin')) {
             return $response->withRedirect($this->router->pathFor('admin.entries.index'));
         } else {
-            if ($users && count($users) > 0) {
+            if (count($users) > 0) {
                 return $this->container->get('view')->render(
                     $response,
                     'plugins/admin/views/templates/users/login.html'
@@ -41,7 +51,15 @@ class UsersController extends Controller
         }
     }
 
-    public function loginProcess($request, $response)
+    /**
+     * Login page process
+     *
+     * @param Request  $request  PSR7 request
+     * @param Response $response PSR7 response
+     *
+     * @return Response
+     */
+    public function loginProcess(Request $request, Response $response) : Response
     {
         $data = $request->getParsedBody();
 
@@ -61,22 +79,41 @@ class UsersController extends Controller
         }
     }
 
-    public function registration($request, $response)
+    /**
+     * Registration page
+     *
+     * @param Request  $request  PSR7 request
+     * @param Response $response PSR7 response
+     *
+     * @return Response
+     */
+    public function registration(Request $request, Response $response) : Response
     {
-        if ((Session::exists('role') && Session::get('role') == 'admin')) {
-            return $response->withRedirect($this->router->pathFor('admin.entries.index'));
+        $users = $this->getUsers();
+
+        if (count($users) > 0) {
+            return $response->withRedirect($this->router->pathFor('admin.users.login'));
         } else {
-            return $this->view->render(
-                $response,
-                'plugins/admin/views/templates/users/registration.html'
-            );
+            if ((Session::exists('role') && Session::get('role') == 'admin')) {
+                return $response->withRedirect($this->router->pathFor('admin.entries.index'));
+            } else {
+                return $this->view->render(
+                    $response,
+                    'plugins/admin/views/templates/users/registration.html'
+                );
+            }
         }
     }
 
     /**
-     * registrationProcess
+     * Registration page process
+     *
+     * @param Request  $request  PSR7 request
+     * @param Response $response PSR7 response
+     *
+     * @return Response
      */
-    public function registrationProcess($request, $response)
+    public function registrationProcess(Request $request, Response $response) : Response
     {
         // Get POST data
         $data = $request->getParsedBody();
@@ -101,26 +138,35 @@ class UsersController extends Controller
     }
 
     /**
-     * logoutProcess
+     * Logout page process
+     *
+     * @param Request  $request  PSR7 request
+     * @param Response $response PSR7 response
+     *
+     * @return Response
      */
-    public function logoutProcess($request, $response)
+    public function logoutProcess(Request $request, Response $response) : Response
     {
         Session::destroy();
         return $response->withRedirect($this->router->pathFor('admin.users.login'));
     }
 
-    public function getUsers()
+    /**
+     * Get Users list
+     *
+     * @return array
+     */
+    public function getUsers() : array
     {
         // Get Users Profiles
-        $users = Filesystem::listContents(PATH['site'] . '/accounts/');
+        $users_list = Filesystem::listContents(PATH['site'] . '/accounts/');
 
-        // Get Plugins List
-        $_users_list = Filesystem::listContents(PATH['plugins']);
-        $users_list = [];
+        // Users
+        $users = [];
 
-        foreach($_users_list as $user) {
-            if ($user['type'] == 'dir') {
-                $users_list[] = $user;
+        foreach($users_list as $user) {
+            if ($user['type'] == 'file' && $user['extension'] == 'json') {
+                $users[$user['basename']] = $user;
             }
         }
 
diff --git a/site/plugins/admin/app/Middleware/AuthMiddleware.php b/site/plugins/admin/app/Middleware/AuthMiddleware.php
index 4af8657f..9094ec0e 100644
--- a/site/plugins/admin/app/Middleware/AuthMiddleware.php
+++ b/site/plugins/admin/app/Middleware/AuthMiddleware.php
@@ -1,12 +1,37 @@
 <?php
 
+/**
+ * @package Flextype
+ *
+ * @author Sergey Romanenko <hello@romanenko.digital>
+ * @link http://romanenko.digital
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Flextype;
 
 use Flextype\Component\Session\Session;
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
 
+/**
+ * @property Router $router
+ */
 class AuthMiddleware extends Middleware
 {
-    public function __invoke($request, $response, $next)
+
+    /**
+     * __invoke
+     *
+     * @param Request  $request  PSR7 request
+     * @param Response $response PSR7 response
+     * @param callable $next     Next middleware
+     *
+     * @return Response
+     */
+    public function __invoke(Request $request, Response $response, $next) : Response
     {
         if (Session::exists('role') && Session::get('role') == 'admin') {
             $response = $next($request, $response);
diff --git a/site/plugins/admin/twig/GlobalVarsAdminTwigExtension.php b/site/plugins/admin/twig/GlobalVarsAdminTwigExtension.php
index 1b84ff73..47ffddb4 100644
--- a/site/plugins/admin/twig/GlobalVarsAdminTwigExtension.php
+++ b/site/plugins/admin/twig/GlobalVarsAdminTwigExtension.php
@@ -29,6 +29,9 @@ class GlobalVarsAdminTwigExtension extends \Twig_Extension implements \Twig_Exte
         $this->flextype = $flextype;
     }
 
+    /**
+     * Register Global variables in an extension
+     */
     public function getGlobals()
     {
         return [
diff --git a/site/themes/default/templates/partials/base.html b/site/themes/default/templates/partials/base.html
index 1a8d654f..cfd1964e 100644
--- a/site/themes/default/templates/partials/base.html
+++ b/site/themes/default/templates/partials/base.html
@@ -76,8 +76,11 @@
         <script src="//unpkg.com/masonry-layout@4/dist/masonry.pkgd.min.js"></script>
         <script type="text/javascript">
 
-          var lightbox = $('.gallery-grid a').simpleLightbox({'fileExt': false});
+        if ($('.gallery-grid a').length) {
+             var lightbox = $('.gallery-grid a').simpleLightbox({'fileExt': false});
+        }
 
+        if ($('.gallery-grid').length) {
           var $grid = $('.gallery-grid').imagesLoaded()
             .done( function( instance ) {
                $('.preloader').hide();
@@ -89,6 +92,7 @@
             .progress( function( instance, image ) {
 
             });
+        }
         </script>
 
         {{ emitter.emit('onThemeTail') }}
diff --git a/site/themes/default/thumbnail.jpg b/site/themes/default/thumbnail.jpg
index 85e41bac..4e7020d1 100644
Binary files a/site/themes/default/thumbnail.jpg and b/site/themes/default/thumbnail.jpg differ