Can't get into Realms on Minecraft: Java Edition? Due to GDPR (http://minecraft.net/privacy/gdpr/ ) users under the age of 16 need parental consent to play on Realms. To set up parental consent on an account, visit http://minecraft.net/update-account .
This could be related to the use of a third-party launcher in the past. While we can't provide solutions to third-party launcher related issues, you may find helpful support at our community run help page here: https://minecraftirc.net/minecrafthelp/landing/ … ^SA