Convert problem to cvx

i gave these values:

gainofthisRRH=15;
currentUsersMinRate=[0.1,1,10,0.1]
MaxBandwidthOfEachRRH=20;

I changed the MaxBandwidthOfEachRRH to a single number (i had given an array before but it was a mistake) and now it says “solved”
and now it gives me 4 values for bw:

disp(bw)
0.1786
1.7857
17.8571
0.1786

and this is the output:

Successive approximation method to be employed.
For improved efficiency, SDPT3 is solving the dual problem.
SDPT3 will be called several times to refine the solution.
Original size: 16 variables, 7 equality constraints
4 exponentials add 32 variables, 20 equality constraints
Cones | Errors |
Mov/Act | Centering Exp cone Poly cone | Status
--------±--------------------------------±--------
4/ 4 | 6.429e-01 2.889e-02 0.000e+00 | Solved
4/ 4 | 2.916e-02 6.174e-05 0.000e+00 | Solved
2/ 4 | 1.786e-03 2.098e-07 0.000e+00 | Solved
0/ 0 | 0.000e+00 0.000e+00 0.000e+00 | Solved
Status: Solved
Optimal value (cvx_optval): +0.474269

thank you so much for your help