Can we rollback SourceKey HDL load?

Summary

We have loaded SourceKey.dat file to change the source system ids of the element entries. Can we rollback that HDL batch, I see protected icon for HDL data set.

Content

We have loaded SourceKey.dat file to change the source system ids of the element entries. Can we rollback that HDL batch, I see protected icon for HDL Data Set. Since it was showing protected icon, I tried to rollback by clicking on Object counts , it opened up but not showing any data that I loaded, then I Clicked on Schedule process it has Load and Validate options, where in Element Entry we see Load and Rollback options.