ACP2E-1650:Create Shipment API

- addressed CR issue

Author: aplapana

lib/internal/Magento/Framework/Model/ResourceModel/Db/AbstractDb.php

@@ -407,7 +407,7 @@ public function save(\Magento\Framework\Model\AbstractModel $object)
             $this->rollBack();
             $object->setHasDataChanges(true);
             throw new AlreadyExistsException(new Phrase('Unique constraint violation found'), $e);
-        } catch (\Magento\Framework\Validator\Exception | \Exception $e) {
+        } catch (\Exception $e) {
             $this->rollBack();
             $object->setHasDataChanges(true);
             throw $e;