ERROR Tab Files - Update DreamFactory 2.1.2 on AWS

Hello everyone, this is the error I get when I click on the tab FILES instance DreamFactory 2.1.2 of AmazonWS. What can I do?

“Argument 2 passed to DreamFactory\Core\Resources\System\BaseSystemResource::parseFilterValue() must be an instance of DreamFactory\Core\Database\ColumnSchema, instance of __PHP_Incomplete_Class given, called in /opt/bitnami/apps/dreamfactory/htdocs/vendor/dreamfactory/df-core/src/Components/DbRequestCriteria.php on line 305 and defined”