Message did not pass because body was empty or did not contain address or did not contain sig.
Message did dont have his local clock sync.
User doesn't have local clock synced.
Hub version doesn't exist or is wrong.
Message does not include a type.
Body sig doesn't exist or is wrong.
Proposal must include a title, a description, 2 choices, a block time, start and end dates.
Proposal size is bigger or smaller than how it should minimum/maximum be.
Proposal metadata is wrong.
Proposal start date is greater than the end date.
Vote is wrong, must vote on a proposal that contains metadata and you must includea choice.
Vote metadata doesn't exist or is wrong.
Proposal is not found.
You can't vote, time didn't start yet.