Some custom attributes in inventory not replicating/disappearing

I am creating custom attributes in the Inventory for EPM 2017.3, some have replicated to the other assets, others have disappeared entirely.

Here is a side by side of the Core (which I created the attributes on) and an example of correct replication:

Here is a side by side of the same machines, with the attributes NOT replicated:

I have performed multiple full syncs, my core reports back "lost contact" after about ~5 minutes

Any attributes I create in 'Software' disappear entirely.

I have ran DBRepair with the Inventory Service stopped, and recreated the attributes.

Interestingly enough, after running DBrepair, it is only showing some of the attribute trees:

Is my DB hosed? Any suggestions?