patch #3437354 [core] Notice: Array to string conversion in PHP 5.4

ChangeLog

@@ -13,6 +13,7 @@ phpMyAdmin - ChangeLog
 - patch #3430291 [import] Handle conflicts in some open_basedir situations
 - bug #3431427 [display] Dropdown results - setting NULL does not work
 - patch #3428764 [edit] Inline edit on multi-server configuration
+- patch #3437354 [core] Notice: Array to string conversion in PHP 5.4
 
 3.4.7.1 (2011-11-10)
 - [security] Fixed possible local file inclusion in XML import

libraries/Error.class.php

@@ -175,7 +175,7 @@ class PMA_Error extends PMA_Message
                 $this->getMessage() .
                 $this->getFile() .
                 $this->getLine() .
-                $this->getBacktrace()
+                serialize($this->getBacktrace())
             );
         }