Noticed this as well when trying to change the protection level of my user page. I have attached the error shown below.

In T117#2207, @MacFan4000 wrote:

In T117#2182, @VancityRothaug wrote:

Considering this extension would be used for community votes, I believe that a community vote to introduce it would be needed. However i would recommend that usage of all extension features is restricted to stewards to control the "validity" of the discussions carried out at Test Wiki

This - community consensus is a must.

@Aviram7 not just sensitive rights, but also community votes such as changing of clauses etc. I strongly support this extension.

Considering this extension would be used for community votes, I believe that a community vote to introduce it would be needed.

While SecurePoll would be a good extension to test, I believe it would also make a good use for community discussions and its addition should be considered.