How do we convert Asset Lines in Projects Costing that have been Transferred to Fixed Assets?

We are able to use the conversion tool to convert Assets and Asset Assignments. We are not able to convert the Asset Lines which kind of makes the Assets and Asset Assignment useless to convert. We are converting in our expenditures so if we don't figure out a way to get the Asset lines in with the status of transferred, all of those lines could potentially be picked up in the Generate Assets and be imported to Fixed Assets again causing over-stated Assets. We are converting from on Prem Oracle to the Cloud.