Index: branches/unlabeled/unlabeled-1.115.2/core/kernel/application.php
===================================================================
diff -u -r4217 -r4278
--- branches/unlabeled/unlabeled-1.115.2/core/kernel/application.php	(.../application.php)	(revision 4217)
+++ branches/unlabeled/unlabeled-1.115.2/core/kernel/application.php	(.../application.php)	(revision 4278)
@@ -186,8 +186,8 @@
 		$this->DB = new kDBConnection(SQL_TYPE, Array(&$this,'handleSQLError') );
 		$this->DB->Connect(SQL_SERVER, SQL_USER, SQL_PASS, SQL_DB);
 		$this->DB->debugMode = $this->isDebugMode();
-
-		$this->ModuleInfo = $this->DB->Query('SELECT * FROM '.TABLE_PREFIX.'Modules ORDER BY LoadOrder', 'Name');
+		
+		$this->refreshModuleInfo();
 		$this->ConfigHash = $this->DB->GetCol('SELECT VariableValue, VariableName FROM '.TABLE_PREFIX.'ConfigurationValues', 'VariableName');
 
 		$rewrite_on = $this->ConfigValue('UseModRewrite');
@@ -239,6 +239,11 @@
 		return true;
 	}
 
+	function refreshModuleInfo()
+	{
+		$this->ModuleInfo = $this->DB->Query('SELECT * FROM '.TABLE_PREFIX.'Modules ORDER BY LoadOrder', 'Name');
+	}
+	
 	/**
 	 * Checks if passed language id if valid and sets it to primary otherwise
 	 *
Index: branches/unlabeled/unlabeled-1.3.2/kernel/units/general/helpers/multilanguage.php
===================================================================
diff -u -r4030 -r4278
--- branches/unlabeled/unlabeled-1.3.2/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4030)
+++ branches/unlabeled/unlabeled-1.3.2/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4278)
@@ -43,6 +43,10 @@
 		{
 			$table_name = $this->Application->getUnitOption('lang', 'TableName');
 			$languages_count = $this->Conn->GetOne('SELECT COUNT(*) FROM '.$table_name);
+			if (!$languages_count) {
+				// during installation we have not languages, but we need to created custom field columns
+				$languages_count = 1;
+			}
 			return $languages_count + 5 - ( $languages_count % 5 ? ($languages_count % 5) : 5 );
 		}
 		
Index: branches/unlabeled/unlabeled-1.43.2/core/kernel/db/db_event_handler.php
===================================================================
diff -u -r4230 -r4278
--- branches/unlabeled/unlabeled-1.43.2/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 4230)
+++ branches/unlabeled/unlabeled-1.43.2/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 4278)
@@ -1580,15 +1580,20 @@
 		function OnCreateCustomFields(&$event)
 		{
 			$main_prefix = $this->Application->getUnitOption($event->Prefix, 'ParentPrefix');
+			$item_type = $this->Application->getUnitOption($main_prefix, 'ItemType');
+			if (!$item_type) {
+				// no main config of such type
+				return false;
+			}
 			
 			// 1. get custom field information
-			$item_type = $this->Application->getUnitOption($main_prefix, 'ItemType');
 			$sql = 'SELECT FieldName, CustomFieldId
 					FROM '.TABLE_PREFIX.'CustomField
 					WHERE Type = '.$item_type.'
 					ORDER BY CustomFieldId';
 			$custom_fields = $this->Conn->GetCol($sql, 'CustomFieldId');
 			if (!$custom_fields) {
+				// config doesn't have custom fields
 				return false;
 			}
 			
Index: branches/unlabeled/unlabeled-1.3.2/core/units/general/helpers/multilanguage.php
===================================================================
diff -u -r4030 -r4278
--- branches/unlabeled/unlabeled-1.3.2/core/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4030)
+++ branches/unlabeled/unlabeled-1.3.2/core/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4278)
@@ -43,6 +43,10 @@
 		{
 			$table_name = $this->Application->getUnitOption('lang', 'TableName');
 			$languages_count = $this->Conn->GetOne('SELECT COUNT(*) FROM '.$table_name);
+			if (!$languages_count) {
+				// during installation we have not languages, but we need to created custom field columns
+				$languages_count = 1;
+			}
 			return $languages_count + 5 - ( $languages_count % 5 ? ($languages_count % 5) : 5 );
 		}