UI Component Listing And Not registered handle in Magento2

If you face below error in your Magento 2 custom module.

Not registered handle [namespace]_[module]_team_index_data_source

There is one reason for above error is that you are missing di.xml file from [namespace]_[module]/etc/ folder

Copy the following code into di.xml file and place it in root of the etc folder of your module. Don’t forget to change the namespace and module name according to your module in the code.

<type name="Magento\Framework\View\Element\UiComponent\DataProvider\CollectionFactory">


<argument name="collections" xsi:type="array">


<item name="[namespace]_[module]_team_index_data_source" xsi:type="string">[Namespace]\[Module]\Model\ResourceModel\Team\Collection</item>