Vault version 1.7.3-b21

> version Vault
[13:34:59 INFO]: Vault version 1.7.3-b${env.TRAVIS_BUILD_NUMBER}

This means you're not running an official version. I don't support unofficial builds. The correct place to download Vault is from the project page on curseforge.com, spigotmc.org, or the releases tab here on github.

What about https://ci.md-5.net/job/Vault/ dev releases?

@SlimeDog that is not my build server. I do not do dev releases. You're trusting whoever runs that server (caveat, probably fine since md5 runs spigot). What I referenced above are the only 3 official download locations that I manage.

OK. Thanks. I didn't realize that you were not running that dev location. I will use the Spigot releases henceforth.