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 .
I'm sorry to hear that. For help with account issues, please visit https://help.minecraft.net/hc/en-us/articles/360029681732-Having-trouble-accessing-your-account- …. ^JR