A plugin named "ThemeRex Addons" required by the theme we're using is conflicting with the Forminator Plugin.
When both of them are activated together, I can see the following error in the WordPress Dashboard:
Undefined setting "allow_upload_svg" called from: Array file => "/Users/++++/Sites/Mamp/+++++-single.local/wp-content/plugins/trx_addons/includes/plugin.media.php" line => 30 function => "trx_addons_get_setting" args => Array 0 => "allow_upload_svg"
Weirdly, this only started happening after I migrated the site. It did not happen before. Please advice.