Emulation Unsupported visualboyadvance save game version issue 0?

[kaoskao]

you see, today i was playing normaly summon night SS with no problems, but then i had to go somewhere so i turned of the computer (after saving the state obviously) but when i came back and wanted to keep playing i got that message, right after i tried to load the save state (either by F1 or by Crt+L) i use the VBA-M that came with the latest version of the WinDS PRO, and i don't really get why i get the message, please, could somone help me