The pre-fix on asset codes means something, and overtime many have had the wrong prefix selected. However these can not be changed, as then you loose the linkages and audit trail of previous versions (stacking). It would be good to have a way that the prefix can be changed, but you still had a way of linking it. Could you change the prefix, but leave the number the same, and the history of the asset still be maintained. Both from a Cohero system but also considering the studio and how they save and reference files, as well as the warehouse and how they control versions.