Hello,
I'm using HeadDatabase on 1.21.8 Paper, and I've never seen this before type of error/corrupt or whatever you might call it.
Typically heads just haven't loaded right away for me, this seems their textures are invalid. Please let me know! Feel free to @
[21:38:27] [Folia Async Scheduler Thread #1/INFO]: [HeadDatabase] Invalid Head found in Database: 122729
[21:38:27] [Folia Async Scheduler Thread #1/INFO]: [HeadDatabase] Successfully loaded 89117 heads!
[21:38:27] [Folia Async Scheduler Thread #1/INFO]: [HeadDatabase] Successfully loaded 18 featured tags!
This is all that's logged when loading.