If your account is not connected on Facebook, you can link your Facebook account by doing these steps:
1. Go to your Hideout then tap the side bar menu.
2. Tap the "Option" button on the upper right side on side bar menu.
3. After tapping the "SNS login" button. Message box will appear, tap "facebook connect" to link your Facebook account.
4. Then you can connect your account in war pirates by logging in. After that Message box will appear that your account is successfully connected on your Facebook account.