1 files changed, 3 insertions, 1 deletions
diff --git a/lib/class/dba.class.php b/lib/class/dba.class.php
index 96b313bc..772ab5ab 100644
--- a/lib/class/dba.class.php
+++ b/lib/class/dba.class.php
@@ -291,7 +291,9 @@ class Dba {
         $dbh = self::_connect();
 
         if (!$dbh || $dbh->errorCode()) {
-            self::$_error = json_encode($dbh->errorInfo());
+            if ($dbh) {
+                self::$_error = json_encode($dbh->errorInfo());
+            }
             return false;
         }