Roles in Discord temporarily being removed with 1.13 clients.
As of the recent updates to 1.13 on the server, several users have had their roles being removed from the Discord, with the exception of the Linked role. After seeing this happen to several users I attempted to recreate the bug myself with the help of Zombie and Brownie and other staff Members. Several theories as to why this happened were going around, first we thought it had to do with Missile Wars servers closing while GameLobby experiences issues due to Ban Manager errors slowing it down. After several recreations of the issue and clues to why it happening being given from users who experienced the bug, we determined it had more to do with the client you were using while switching servers. While I had done some maintenance work in the PvP server while switching from 1.13 to 1.12 clients, I had logged back in and logged into Survival1 server with a 1.13 client and saw all my roles were removed from Discord, Including the Linked role. After messaging Zombie about my findings the Linked role returned to me, while I was standing stationary in the Survival1 server, didn't switch out 'til after the linked role had came back. While attempting to switch servers and relog a couple times I got my other roles to return without having to re-link up to the Discord.
In summary, after having logged into CubeKrowd with a 1.12 client. re-joining with a 1.13 client, and entering the Survival1 server had made my roles disappear, with the Linked role returning shortly after, and relogging once or twice bringing back the others.
I believe this issue will not be present when all of CubeKrowd is updated to 1.13.2, but in case it isn't, this is a good place to begin with debugging the issue, since it appears to be created by the CubeBot not properly registering the in-game ranks of players when switching between versions and servers of varying versions.