pixel_player22331770
So you've finished location: Temple of Confucius, but cannot start location: Forbidden City Outskirts.
As @MadameCurie wrote: checked the Wiki.
To continoue the Father's quests you need 10×Coded Chinese Journal and you had to do the 13th metal dragon mine: Fear Factory.
My guess: 1 (or 2) journal is missing.
Check the Library of Wisdom (Dragon of Water).
