Building wont finish building

Summary:
building wont finish building
Expected Results:
to finish
Actual Results:
no finish
Notes:

Attachments:
this is the save with the building that wont finish building
https://drive.google.com/file/d/1IGeqBZgh3Wh9VHE0E5Dr1icXhBBLNJ9m/view?usp=sharing
Version Number and Mods in use:
Release-868
System Information:

might be a stupid question but did you use a template from the old “building system” or did you make it with the new system? I have heard that there is problems using the old one now.

I made it with the new
cant even use the old one anymore. because its gone.