https://forums.crackberry.com/blackberry-classic-f419/time-your-contacts-account-gmail-cannot-added-1162713/?fbclid=IwAR3cxgQTdxZcGyr1iW-ImnGyOIN3AhVW7W4BnKzoiGy6EWPoV4OWMghbevU
You may need to remove and re-add the account, but this will correct your problem:
1. Go to Accounts.
2. Select Add Account.
3. Select Advanced at the bottom of the screen.
4. Tap CardDav.
5. Enter whatever you like for a description, and your Gmail e-mail address for username and e-mail address. Enter your Gmail password for the password.
6. For the Server Address, enter the following:
https://www.googleapis.com/.well-known/carddav
You may need to remove and re-add the account, but this will correct your problem:
1. Go to Accounts.
2. Select Add Account.
3. Select Advanced at the bottom of the screen.
4. Tap CardDav.
5. Enter whatever you like for a description, and your Gmail e-mail address for username and e-mail address. Enter your Gmail password for the password.
6. For the Server Address, enter the following:
https://www.googleapis.com/.well-known/carddav
You may need to remove and re-add the account, but this will correct your problem:
1. Go to Accounts.
2. Select Add Account.
3. Select Advanced at the bottom of the screen.
4. Tap CardDav.
5. Enter whatever you like for a description, and your Gmail e-mail address for username and e-mail address. Enter your Gmail password for the password.
6. For the Server Address, enter the following:
https://www.googleapis.com/.well-known/carddav
You may need to remove and re-add the account, but this will correct your problem:
1. Go to Accounts.
2. Select Add Account.
3. Select Advanced at the bottom of the screen.
4. Tap CardDav.
5. Enter whatever you like for a description, and your Gmail e-mail address for username and e-mail address. Enter your Gmail password for the password.
6. For the Server Address, enter the following:
https://www.googleapis.com/.well-known/carddav