The following error message appears during business cards' synchronization:
Synchronization failed. Try again? The operation couldn't be completed (error 400).
To prevent the loss of business cards, please create a backup copy of your Cardholder:
- Start BCR;
- Tap Settings;
- Select Cardholder > Backup;
- Follow the instructions on the screen.
Next, please log out and log in to the app:
- Launch BCR;
- Go to Settings;
- Tap ABBYY Account > Sign Out;
- Tap Log in and enter your email and password.