v1.5.0 | BGP Policy VyOS issue | % Can't find rule.

Hi Guys....

I have a really annoing issue.

# show policy route-map routemap-saix-verisign-ipv4-in rule 10
 action permit
 set {
     community "1962:4001 additive"
     local-preference 300
 }

# delete policy route-map routemap-saix-verisign-ipv4-in rule 10 set local-preference

# show policy route-map routemap-saix-verisign-ipv4-in rule 10
 action permit
 set {
 community "1962:4001 additive"
- local-preference 300
 }

# commit
[ policy route-map routemap-saix-verisign-ipv4-in rule 10 set local-preference 300 ]
% Can't find rule.

Commit failed

What the hell?

I am not able to delete anything in rule 10... WHY?