I tried to restore the messages from my old phone.
1 - Made a backup of the current messages in the new phone.
2 - Copied the folder to my computer and removed it from the phone.
3 - Copied the folder from my old phone to a different loaction than #2.
Now the app won't start, all I see is the logo for a fraction of a second, then it goes back to settings. I've tried soft resets and reboots.
I've tried to restore the folder structure as it was in #1, but it doesn't change anything.
The phone is a 950 running 10.0.14393.67.