Pokemon Sun, Moon Save Glitch May Corrupt Progress

Update: As noted by Kotaku, the creator of the PkHex program, which allows players to manipulate the game using the save editor, has said the glitch is caused by his program, though he says the issue was patched out of PkHex on November 18.
As such, this glitch should only affect people using PkHex and not those playing normally.
Players have begun to report a Pokemon Sun and Moon glitch that is reportedly causing their characters to disappear after they save in certain locat