1963 Valiant 'vert door latch latch (?) not working

Mopar Tim said
If like the US one, turn the star by hand till it clicks. Then it should work again. Yep. Give it a try. It might be out of sync, for want of a better word...

Yes, it is a US Plymouth Valiant, still LHD.
I'll try your suggestion. Would be good if just "out of sync".