PDOException has no previous(), oh the consistency ...

diff --git a/lib/template.php b/lib/template.php
index 01f0fc28b6091a3aa500786db84cd7d50e6c0c21..ae9ea187445912434622f0f0a8481ac9a2d98d44 100644 (file)
--- a/lib/template.php
+++ b/lib/template.php
@@ -547,7 +547,7 @@ class OC_Template{
                        $error_msg = '['.$exception->getCode().'] '.$error_msg;
                }
                $hint = $exception->getTraceAsString();
-               while ($exception = $exception->previous()) {
+               while (method_exists($exception,'previous') && $exception = $exception->previous()) {
                        $error_msg .= '<br/>Caused by: ';
                        if ($exception->getCode()) {
                                $error_msg .= '['.$exception->getCode().'] ';