API - route adding...

Hi All,

Adding route: 100.200.0.0/16 
>>> /ip/route/add
>>> =.type=blackhole
>>> =.bgp-communities=65000:5002
>>> =.dst-address=100.200.0.0/16 
>>> =.bgp-origin=igp
start read_len
1

Am I missing something? A return of 1 means it’s not likeing something in the parameters? I’m not sure what?