string groups and strings missing that polylang theme strings locates

I have theme string groups gathered by polylang theme strings showing up under Setting > Languages > String Translation, and somehow the one example I used got translated after I deactived and reactived the Lingotek plugin, however under Translation > Manage > String Groups, and also Strings this group and it’s string(s) are missing.

https://wordpress.org/plugins/lingotek-translation/