
If an item has other numbers and you duplicate it, the copy resets to “-1” instead of keeping the extra numbers included (as shown in the image above)
Reproduction: Duplicate a model similarly named above.

If an item has other numbers and you duplicate it, the copy resets to “-1” instead of keeping the extra numbers included (as shown in the image above)
Reproduction: Duplicate a model similarly named above.
Models aren’t renaming for me. Are you sure a plugin isn’t doing that? I tried with the exact models names that you have shown.