Player API returns incorrect number classes (with junk data), sometimes exceeding the max class slots (14)

[kristofbolyai]

https://api.wynncraft.com/v2/player/bolyai/stats -- Example
https://api.wynncraft.com/v2/player/Saraldar/stats -- Example 2

The classes array has 16 classes when the max should be 14, these 2 glitched classes have no data, level is null.

Images of Saladar's classes:

Since the issue might be releated to the champion rank class backup feature, here is the screenshot of my backups.

(assassin - dark wizzard - shaman - shaman - shaman) (no knight or skyseer)

This glitch also breaks the forum page if the player is affected.