Index: core/units/helpers/user_helper.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- core/units/helpers/user_helper.php	(revision 15637)
+++ core/units/helpers/user_helper.php	(revision )
@@ -160,6 +160,7 @@
 		function loginUserById($user_id, $remember_login_cookie = false)
 		{
 			$object =& $this->getUserObject();
+			$this->Application->removeObject($object->getPrefixSpecial());
 
 			$this->Application->StoreVar('user_id', $user_id);
 			$this->Application->SetVar('u.current_id', $user_id);