Why does cvx optimization fail, but still outputs the result，

```
clc;clear all;close all
kappa=0.6;
eta=0.6;
K=3;
T=1;
pd=10^(-5);
pe=10^(-4);
b=10^(-8);
dertak=b/K;
dgk=1;
gk=dgk^(-3);
dhk=7;
hk=dhk^(-3);
g_k=dertak/gk
etaEE=0;
Pmax=1;
%***********************************************************************
%***********************************************************************
%*****************************cvx****************************************
cvx_begin
variables T1 T2 L p_bl p_sj;
R1=(-rel_entr(T1*g_k,T1*g_k+p_bl*hk))/g_k;
R2=kappa*(-rel_entr(T2,T2+L));
R=(R1+R2);
Power=(p_sj+3*(p_sj-p_bl)*hk*eta-pe*T1-pd*T);
maximize R-etaEE*Power
subject to
T1>0;
T2>0;
T1<1;
T1+T2==1;
p_bl>=0;
p_sj>=0;
L>=0;
3*p_sj<=T1*Pmax;
eta*3*hk*(p_sj-p_bl)>=L*g_k*K+pd*T+pe*T1;
cvx_end
```

Status: Failed

Optimal value (cvx_optval): NaN

L =

2.4560e+04

T1 =

`0.9986`