when runnning st.align.morpho_align_ref : NameError: name 'BA_align' is not defined

[forrwill]

when running 'st.align.morpho_align_ref'. for "Alignment of 3D models of two stages",

The other day, I upgraded the latest version of github software，

I met the error: NameError. Traceback (most recent call last) NameError: name 'BA_align' is not defined , I don't know what the problem is, Please help me with this. thank you