diff --git a/www/admin/class_test.output.form.php b/www/admin/class_test.output.form.php
index c7c8ef8a..48767c31 100644
--- a/www/admin/class_test.output.form.php
+++ b/www/admin/class_test.output.form.php
@@ -32,6 +32,7 @@ $LOG_FILE_ID = 'classTest-form';
 ob_end_flush();
 
 // define an array for page use
+$table_arrays = [];
 $table_arrays[\CoreLibs\Get\System::getPageName(1)] = [
 	// form fields mtaching up with db fields
 	'table_array' => [
diff --git a/www/lib/CoreLibs/Output/Form/Generate.php b/www/lib/CoreLibs/Output/Form/Generate.php
index f7245ffa..55b04bea 100644
--- a/www/lib/CoreLibs/Output/Form/Generate.php
+++ b/www/lib/CoreLibs/Output/Form/Generate.php
@@ -321,9 +321,9 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 		if (isset($config_array['load_query']) && $config_array['load_query']) {
 			$this->load_query = $config_array['load_query'];
 		}
-		$this->archive_pk_name = 'a_' . $this->pk_name;
-		$this->col_name = str_replace('_id', '', $this->pk_name);
-		$this->int_pk_name = $this->pk_name;
+		$this->archive_pk_name = 'a_' . $this->pk_name ?? '';
+		$this->col_name = str_replace('_id', '', $this->pk_name ?? '');
+		$this->int_pk_name = $this->pk_name ?? '';
 		// check if reference_arrays are given and proceed them
 		if (isset($config_array['reference_arrays']) && is_array($config_array['reference_arrays'])) {
 			foreach ($config_array['reference_arrays'] as $key => $value) {
diff --git a/www/vendor/composer/ClassLoader.php b/www/vendor/composer/ClassLoader.php
index fce8549f..1a58957d 100644
--- a/www/vendor/composer/ClassLoader.php
+++ b/www/vendor/composer/ClassLoader.php
@@ -37,8 +37,8 @@ namespace Composer\Autoload;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Jordi Boggiano <j.boggiano@seld.be>
- * @see    http://www.php-fig.org/psr/psr-0/
- * @see    http://www.php-fig.org/psr/psr-4/
+ * @see    https://www.php-fig.org/psr/psr-0/
+ * @see    https://www.php-fig.org/psr/psr-4/
  */
 class ClassLoader
 {
@@ -60,7 +60,7 @@ class ClassLoader
     public function getPrefixes()
     {
         if (!empty($this->prefixesPsr0)) {
-            return call_user_func_array('array_merge', $this->prefixesPsr0);
+            return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
         }
 
         return array();
diff --git a/www/vendor/composer/autoload_classmap.php b/www/vendor/composer/autoload_classmap.php
index 7a91153b..b26f1b13 100644
--- a/www/vendor/composer/autoload_classmap.php
+++ b/www/vendor/composer/autoload_classmap.php
@@ -6,4 +6,5 @@ $vendorDir = dirname(dirname(__FILE__));
 $baseDir = dirname($vendorDir);
 
 return array(
+    'Composer\\InstalledVersions' => $vendorDir . '/composer/InstalledVersions.php',
 );
diff --git a/www/vendor/composer/autoload_real.php b/www/vendor/composer/autoload_real.php
index 2aaffa93..1e9ebbe1 100644
--- a/www/vendor/composer/autoload_real.php
+++ b/www/vendor/composer/autoload_real.php
@@ -13,6 +13,9 @@ class ComposerAutoloaderInit10fe8fe2ec4017b8644d2b64bcf398b9
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {
@@ -25,7 +28,7 @@ class ComposerAutoloaderInit10fe8fe2ec4017b8644d2b64bcf398b9
 
         $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
         if ($useStaticLoader) {
-            require_once __DIR__ . '/autoload_static.php';
+            require __DIR__ . '/autoload_static.php';
 
             call_user_func(\Composer\Autoload\ComposerStaticInit10fe8fe2ec4017b8644d2b64bcf398b9::getInitializer($loader));
         } else {
diff --git a/www/vendor/composer/autoload_static.php b/www/vendor/composer/autoload_static.php
index 3ddff449..906ca2c0 100644
--- a/www/vendor/composer/autoload_static.php
+++ b/www/vendor/composer/autoload_static.php
@@ -6,9 +6,14 @@ namespace Composer\Autoload;
 
 class ComposerStaticInit10fe8fe2ec4017b8644d2b64bcf398b9
 {
+    public static $classMap = array (
+        'Composer\\InstalledVersions' => __DIR__ . '/..' . '/composer/InstalledVersions.php',
+    );
+
     public static function getInitializer(ClassLoader $loader)
     {
         return \Closure::bind(function () use ($loader) {
+            $loader->classMap = ComposerStaticInit10fe8fe2ec4017b8644d2b64bcf398b9::$classMap;
 
         }, null, ClassLoader::class);
     }
diff --git a/www/vendor/composer/installed.json b/www/vendor/composer/installed.json
index fe51488c..87fda747 100644
--- a/www/vendor/composer/installed.json
+++ b/www/vendor/composer/installed.json
@@ -1 +1,5 @@
-[]
+{
+    "packages": [],
+    "dev": true,
+    "dev-package-names": []
+}