Mavic Air Motherboard Replacement, drone needs activation

[MA1_Newbie]

Any guidance will be appreciated. I'm trying to repair a Mavic Air 1st gen drone, using parts from another crashed drone, I exchanged the motherboard (main one), switched it on and it went through all start up processes, but on DJI Go 4 its now asking for activation, any way around that? as both drones were bought for parts from a trader so cannot contact ex owners. What do I do now?

 

[Yorkshire_Pud]

Is there something stopping you from activating the rebuilt drone?

 

[MA1_Newbie]

I tried with my own account but see pic

 

[MARK (LI)]

I could be wrong....but I believe if the components came from drones that were still bound to other accounts that it will prevent you from being able to accomplish that