esttab works fine to give me the N but estimates tab won't give me any thing with the stats option
. estimates tab rncomm, stats(N)
Mata object __000003 already existsr(110);

*** esttab can give me the N
. esttab rncomm

----------------------------
(1)
rncomm
----------------------------
satjob2_10~t -0.373*
(-2.23)

_cons 92.59***
(224.11)
----------------------------
N 59
----------------------------
t statistics in parentheses
* p<0.05, ** p<0.01, *** p<0.001

*** estimates tab works fine with no options
. estimates tab rncomm

---------------------------
Variable | rncomm
-------------+-------------
satjob2_10~t | -.37328843
_cons | 92.594583
---------------------------

*** estimates tab thinks the syntax is fine
. estimates tab rncomm, stats()

---------------------------
Variable | rncomm
-------------+-------------
satjob2_10~t | -.37328843
_cons | 92.594583
---------------------------

**** Why?
. estimates tab rncomm, stats(N)
Mata object __000003 already existsr(110);

. version
version 17.0