Very strange and potentially scary problem here! Although I was able to re-create the database objects with no problem, I've noticed that two objects have disappeared from one of my tables named "helmetStats". The objects keys were "shades" and "phantom hood". Nobody has entered my account, and I've even checked the changelog and nothing has shown up in there. The table is only accessible via "load by keys" and "load by indexes", so players could not have modified or hacked this table. No where in my code do I ever delete anything from this table, it's purely to store helmet stats to load in my game. They were removed sometime between 5pm UTC on April 7th and 2pm UTC on April 8th.
Like I've said, I've recreated the database objects pretty easily, but I thought this is something I should point out in case there's something happening inside PlayerIO that needs fixed or looked into.
*edit*
Just found out another object was removed as well with the key "royal helmet" under the same table.