Not Computing Covariance Matrix issue

[lanny222]

using --update 500, does not produce the covariance matrix for me? any help?

--> Scanning file ../chains/fT1_convergenceTest/2018-11-17_750000__1.txt : Removed 314 points of burn-in, and first 50 percent, keep 1372 steps
2018-11-17_750000__2.txt1 342.104 1.216262e-01 -2.458553e-03 1.396239e-01 3.125691e+00 -1.911299e+01 -7.420085e-02 3.113078e-01 6.800000e+01 0.000000e+00
1 344.931 1.129606e-01 -5.812980e-02 1.503880e-01 3.198529e+00 -1.908845e+01 -7.028718e-02 2.925674e-01 6.800000e+01 0.000000e+00
: Removed 129 points of burn-in, and first 50 percent, keep 1702 steps
2018-11-17_750000__3.txt : Removed everything: chain not converged
2018-11-17_750000__4.txt : Removed everything: chain not converged
2018-11-17_750000__5.txt : Removed 72 points of burn-in, and first 50 percent, keep 2277 steps
2018-11-17_750000__6.txt1 350.949 1.354452e-01 1.616572e-01 1.568599e-01 3.272936e+00 -1.904745e+01 -8.283017e-02 3.411933e-01 6.800000e+01 0.000000e+00
: Removed 70 points of burn-in, and first 50 percent, keep 2221 steps
2018-11-17_750000__7.txt : Removed everything: chain not converged
2018-11-17_750000__8.txt : Removed everything: chain not converged
--> Computing mean values
--> Computing variance
--> Computing convergence criterium (Gelman-Rubin)
-> R-1 is 0.006293 for omega_cdm
0.035296 for b
0.005224 for alpha
0.009577 for beta
0.005479 for M
0.017239 for Delta_M
0.006294 for Omega_m
0.006294 for H0
0.006295 for sigma8
--> Not computing covariance matrix