diff --git a/src/admin/admin_header.php b/src/admin/admin_header.php
index 58cf354..4412997 100644
--- a/src/admin/admin_header.php
+++ b/src/admin/admin_header.php
@@ -24,10 +24,12 @@
 */
 
 include "../../../include/cp_header.php";
+include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/include/bootstrap.php";
 include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/include/vars.php";
-include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/class/art/functions.php";
-include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/class/art/functions.admin.php";
-
+if (!iforum_load_art_functions('admin')) {
+	trigger_error('Unable to initialize the iForum Art admin runtime.', E_USER_WARNING);
+	return;
+}
 
 // include the default language file for the admin interface
 if (!@include_once(ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/language/" . $icmsConfig['language'] . "/main.php"))
diff --git a/src/header.php b/src/header.php
index b031931..9b5e9b4 100644
--- a/src/header.php
+++ b/src/header.php
@@ -24,9 +24,9 @@
 */
 
 include_once '../../mainfile.php';
+include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/include/bootstrap.php";
 include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/include/vars.php";
 include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/include/functions.php";
-include_once ICMS_ROOT_PATH."/modules/".icms::$module->getVar("dirname")."/class/art/functions.php";
 
 $myts = icms_core_Textsanitizer::getInstance();
 
diff --git a/src/icms_version.php b/src/icms_version.php
index f311013..b2e1de1 100644
--- a/src/icms_version.php
+++ b/src/icms_version.php
@@ -52,7 +52,7 @@
 $modversion['submit_feature'] = "https://www.impresscms.org/modules/iforum/";
 $modversion['submit_bug'] = "https://www.impresscms.org/modules/iforum/";
 
-include_once(ICMS_ROOT_PATH."/modules/".$modulename."/class/art/functions.ini.php");
+include_once(ICMS_ROOT_PATH."/modules/".$modulename."/include/bootstrap.php");
 include_once(ICMS_ROOT_PATH."/modules/".$modulename."/include/functions.php");
 // Is performing module install/update?
 $isModuleAction = icms_moduleAction($modversion['dirname']);
diff --git a/src/include/bootstrap.php b/src/include/bootstrap.php
index 0adf5bc..afe9ded 100644
--- a/src/include/bootstrap.php
+++ b/src/include/bootstrap.php
@@ -66,3 +66,47 @@ function &iforum_get_handler($handlerName)
 
     return $handler;
 }
+
+function iforum_load_art_functions_ini()
+{
+    if (defined('FRAMEWORKS_ART_FUNCTIONS_INI')) {
+        return true;
+    }
+
+    include_once iforum_get_module_path('class/art/functions.ini.php');
+
+    return defined('FRAMEWORKS_ART_FUNCTIONS_INI');
+}
+
+function iforum_load_art_functions($group = '')
+{
+    if (!iforum_load_art_functions_ini()) {
+        return false;
+    }
+
+    $constant = 'FRAMEWORKS_ART_FUNCTIONS';
+    if ($group !== '') {
+        $constant .= '_' . strtoupper($group);
+    }
+
+    if ($group === '') {
+        include_once iforum_get_module_path('class/art/functions.php');
+    } else {
+        if (!function_exists('load_functions')) {
+            return false;
+        }
+
+        load_functions($group);
+    }
+
+    return defined($constant);
+}
+
+function iforum_load_art_object()
+{
+    if (!iforum_load_art_functions_ini() || !function_exists('load_object')) {
+        return false;
+    }
+
+    return load_object();
+}
diff --git a/src/include/functions.ini.php b/src/include/functions.ini.php
index 6c792bf..bdf0354 100644
--- a/src/include/functions.ini.php
+++ b/src/include/functions.ini.php
@@ -27,15 +27,18 @@
 	{
 	exit();
 }
+
+include_once dirname(__DIR__).'/include/bootstrap.php';
  
 if (defined("IFORUM_FUNCTIONS_INI")) return;
- define("IFORUM_FUNCTIONS_INI", 1);
- 
-include_once(ICMS_ROOT_PATH."/modules/".basename(dirname(__FILE__, 2))."/class/art/functions.php");
- 
+define("IFORUM_FUNCTIONS_INI", 1);
+
+/**
+* @deprecated since 2.4.0, use iforum_load_art_object() instead; kept for compatibility and planned for removal in 3.0.0.
+*/
 function iforum_load_object()
 {
-	return load_object();
+	return iforum_load_art_object();
 }
  
 function iforum_message($message )
diff --git a/src/include/functions.php b/src/include/functions.php
index 14bb6b7..54d7c98 100644
--- a/src/include/functions.php
+++ b/src/include/functions.php
@@ -27,6 +27,10 @@
 define("IFORUM_FUNCTIONS", true);
 
 include_once dirname(__FILE__)."/functions.ini.php";
+if (!iforum_load_art_functions()) {
+	trigger_error('Unable to initialize the iForum Art runtime.', E_USER_WARNING);
+	return;
+}
 if (!defined("_GLOBAL_LEFT"))
 {
 	define('_GLOBAL_LEFT', ((defined('_ADM_USE_RTL') && _ADM_USE_RTL )?"right":"left"));