- whenever I put the phone in airplane mode and tried to create backup it says”undefined is not a function error “ attached the screen recorder for your reference - Even after coming online, it shows as Backup failed , undefined is not a function. [backup.mp4](https://trello.com/1/cards/69b167c0807e1343d37306d1/attachments/69b16854809c9f15cf6ca6ad/download/backup.mp4 "‌")