Well, that not the right method, isn’t it ?
To solve this, you don’t have many solution…
1 You transport the current customizing from PRD to DEV
2 You do a copy of the production to the development.
In the 2 cases, you will have to redevelop the correction after.
I don’t see a prudent solution out of these solutions…
The first one is technically perhaps not so easy but is not a problem at the BC level.
The second on is very easy to do but could be a problem for the DEV server…