...Which totally negates the point of Career Mode right now. If you want missions, use MissionController or think of some yourself, no need to be curt about it; Pulstar was answering your question.
I fixed this error myself just a few minutes ago - what you had was: requiresMission = 03 - Launch Weather Satellite Into Orbit Of Kerbin. The extra period mucked up the mission prereq function. It's on line 171 of CivilianSpaceProgram.mpkg if anyone wants to change it themselves.