Hikashop 4.7.3 Error when using third-party plugins of payment systems.

-- HikaShop version -- : 4.7.3
-- Joomla version -- : 4.3.2

File error /administrator/components/com_hikashop/classes/field.php line 113. Clearly a developer error.

was
$this->where[] = 'a.field_id IN ('.implode(',', (int)$categories).')';

need to
$this->where[] = 'a.field_id IN ('.implode(',', $categories).')';