Add one more PDOException try catch, a=chris

diff --git a/src/models/datasources/PdoManager.php b/src/models/datasources/PdoManager.php
index 8a213787b..2a5019948 100644
--- a/src/models/datasources/PdoManager.php
+++ b/src/models/datasources/PdoManager.php
@@ -118,7 +118,12 @@ class PdoManager extends DatasourceManager
             if(!$statement) {
                 return false;
             }
-            $result = $statement->execute($params);
+            try {
+                $result = $statement->execute($params);
+            } catch (\PDOException $e) {
+                $result = false;
+                L\crawlLog('Exec failed: ' . $e->getMessage());
+            }
             $this->num_affected = $statement->rowCount();
             if ($result) {
                 if ($is_select) {