Hello Siren, 

Great game you've made; Loved the latest version.

though, after playing for quite a while, when went on to save, i was unable to do so.

instead of saving, whenever  i choose a save file and click on the save button the buzzer noise sounds and the game is not saved.

although didn't make it to the end of the current version, still don't want to lose my progress.

so if anyone knows how to resolve the issue, do reply.