[Ask Prestashop] Property StockMvt->physical_quantity is not valid

[Indodata]

Halo Mas-mas semua.

Mau tanya ni tentang prestashop, ketika stock mau dipindahkan ke warehouse, muncul error Property StockMvt->physical_quantity is not valid

[PrestaShopException]

Property StockMvt->physical_quantity is not valid
at line 872 in file classes/ObjectModel.php

867. 
868.             $message = $this->validateField($field, $this->$field);
869.             if ($message !== true)
870.             {
871.                 if ($die)
872.                     throw new PrestaShopException($message);
873.                 return $error_return ? $message : false;
874.             }
875.         }
876. 
877.         return true;
ObjectModelCore->validateFields - [line 278 - classes/ObjectModel.php]
ObjectModelCore->getFields - [line 486 - classes/ObjectModel.php]
ObjectModelCore->add - [line 448 - classes/ObjectModel.php] - [2 Arguments]
ObjectModelCore->save - [line 397 - classes/stock/StockManager.php]
StockManagerCore->removeProduct - [line 597 - classes/stock/StockManager.php] - [6 Arguments]
StockManagerCore->transferBetweenWarehouses - [line 733 - controllers/admin/AdminStockManagementController.php] - [7 Arguments]
AdminStockManagementControllerCore->postProcess - [line 171 - classes/controller/Controller.php]
ControllerCore->run - [line 373 - classes/Dispatcher.php]
DispatcherCore->dispatch - [line 54 - admin/index.php]

Salahnya dimana ya?

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