This help document will show you how to uninstall MainWP Child Reports Database from your child site.
Uninstalling the Child Reports Database helps fix the rare issue of missing databases wp_mainwp_stream and wp_mainwp_stream_meta on the Child sites.
Download the following ZIP file: mainwp-child-reports.zip
Go to your Child site’s WordPress Dashboard > Plugins > Add New, and install the ZIP file
Visit the following URL on the Child site: your-child-site-url.com/wp-admin/options-general.php?page=mainwp-reports-settings&try_uninstall=yes
At the bottom of the settings page, you will find this option:
Click the Uninstall MainWP Child Reports Database link