Lost files. In an idea would you would have backed them up,
First copy, on site
First copy on site
First copy on site (people breaks in and steal stuff or fire)
Second copy, offsite, local bank, storage unit (massive flood for an area(
Third copy, offsite out of region or cloud)
You might need to fix something on the model
Or you want to reuse part of the model
Or you want try to sell the model on another platform
