Soft lock (stuck on a mission a already did)

so basically when i started the chalange on Tr-towers i got stuck on the mission called the "open your eyes" 3rd (There and back,go whit the flow)challanges.I already did them so many times and it still says 1/ 2 when I already did them both.I just hate it this way beacuse i cant unlock new things and its just boring this way.If anybody knows a fix let me know pls.