Unknown node types

how to find the required node if get message unknown node types

I import a sample and try to deploy. The message ui_group unknown node type is shown. I installed several nodes but could not found the ui_group

thanks and regrads

ui_group is part of node-red-dashboard.... however if you are not expecting the dashboard and don't want it then don't install it. You can accept the flow - then go to the editor menu - configuration nodes and find them there and delete them as necessary.

Thanks, appreciate

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