patch #2682833 [core] Fatal error: Call to a member function isDisplayed()

ChangeLog

@@ -13,6 +13,8 @@ $HeadURL: https://phpmyadmin.svn.sourceforge.net/svnroot/phpmyadmin/trunk/phpMyA
 - rfe #2127983 Readd documentation link, it does not protect against anything.
 - bug #1675249 [doc] Apache reverse proxy and cookies FAQ
 - bug #2682140 UUID() and CURRENT_USER() should not accept arguments
+- patch #2682833 [core] Fatal error: Call to a member function isDisplayed(),
+  thanks to Christian Rodriguez - judas_iscariote
 
 3.1.3.0 (2009-02-28)
 + [lang] Turkish update, thanks to Burak Yavuz

libraries/Error_Handler.class.php

@@ -57,7 +57,7 @@ class PMA_Error_Handler
             } else {
                 // remember only not displayed errors
                 foreach ($this->_errors as $key => $error) {
-                    if (! $error->isDisplayed()) {
+                    if (($error instanceof PMA_Error) && ! $error->isDisplayed()) {
                         $_SESSION['errors'][$key] = $error;
                     }
                 }