Continuing the discussion from Fatal error while claiming badge:
Probably a stress test ?!!
We’ve identified it and next version of UNS core will implement more spamming protections. (We’re going to publish more about it)
Anyhow we know that they all have been created with a freemium COUPON so they are all more than 15 chars long. (we don’t know by-design who use a COUPON but we know how many times it has been used).