Thieves Guild (The Elder Scrolls 5: Skyrim)

the job of brand ring-neck was successfully completed, received a rig Guild, the job a reliable roof, where you had to make to repay debts Chirawu, Helga and Bercy are also executed long ago. Took small jobs fishing and collect the stones of Barenziah. the wrong sort of honey is also done, but only now noticed that the magazine to join the Guild of thieves is marked grey, and this point is not made. Maybe there is some other job to do or is it a bug?