ROTR Campaign Problem Thread

Hi Hello Im new here . I want to ask some assistance from the 1.85 version i Installed and the patch 1.86. I have some problem with the launcher.Before I watch on youtubes I saw that there's a campaign mission in ROTR in USA . CHINA . But when I launched it and I clicked The Solo Player the the Button USA, GLA , CHINA Mission for Solo Player is dis-abled. Only Skirmish is working ,
I want to know if what I've been Missed. Pls Help