Thanks for uploading the whole project. That made it a lot easier to find the problem. I fixed that now in v1.2.1.71
Also the Import latest version works fine for me. But I saw that you have different objects in each alembic file. So you probably want to disable the "Alembic - Update path only" option on the import state.
Thanks for uploading the whole project. That made it a lot easier to find the problem. I fixed that now in v1.2.1.71
Also the Import latest version works fine for me. But I saw that you have different objects in each alembic file. So you probably want to disable the "Alembic - Update path only" option on the import state.