[R] RandomForest - getTree status code

[NCS]

What does a status value of -3 mean when I do a regression with RF and use the getTree function?

     left daughter right daughter split var  split point status prediction
1                2              3        11 4.721000e+03     -3 15.8489576
2                4              5         5 6.500000e+00     -3 11.3240895
3                6              7        10 6.790674e+02     -3 23.7250079
4                8              9        11 1.562500e+03     -3  9.6885129
5               10             11         7 7.085000e+02     -3 15.2126457
6               12             13         3 1.105000e+02     -3 22.3736330
7               14             15        11 2.249400e+04     -3 37.9011956
8               16             17         2 6.805105e+00     -3  5.0804247
9               18             19         7 6.775000e+02     -3 11.9877469
10              20             21         5 1.450000e+01     -3 12.6068710

Thanks
ncs