diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index 1ca4c8de..a56e9633 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -4,8 +4,8 @@ namespace Adminer;
 // any method change in this file should be transferred to editor/include/adminer.inc.php and plugins/plugin.php
 
 class Adminer {
-	/** @var array operators used in select, null for all operators */
-	public $operators;
+	public $operators; ///< @var array operators used in select, null for all operators
+	public $error = ''; ///< @var protected(set) string HTML
 
 	/** Name in title and navigation
 	* @return string HTML code
diff --git a/adminer/include/plugins.inc.php b/adminer/include/plugins.inc.php
index b54924e9..325dcb20 100644
--- a/adminer/include/plugins.inc.php
+++ b/adminer/include/plugins.inc.php
@@ -3,7 +3,6 @@ namespace Adminer;
 
 class Plugins extends Adminer {
 	public $plugins; ///< @var protected(set) array
-	public $error = ''; ///< @var protected(set) string HTML
 
 	/** Register plugins
 	* @param array object instances or null to autoload plugins from adminer-plugins/
diff --git a/editor/include/adminer.inc.php b/editor/include/adminer.inc.php
index f7608be4..056f4994 100644
--- a/editor/include/adminer.inc.php
+++ b/editor/include/adminer.inc.php
@@ -3,6 +3,7 @@ namespace Adminer;
 
 class Adminer {
 	public $operators = array("<=", ">=");
+	public $error = '';
 	private $values = array();
 
 	function name() {