Has anyone had a note disappear suddenly?

Question

I have been keeping a lot of information in Notes that I used to keep in a paper Daytimer.  I thought it was great, it synced through iCloud from my iPhone to my iPad and vice versa and I could print it if there was a reason to.  So today I was recording some important information on a note that I've been keeping this data on for about six months. Suddenly, when I tapped on the screen to put the curser in a different place, the whole note disappeared. It didn't ask if I wanted to Delete like it does when you delete something on purpose. It just vanished. So I went to the list of notes and it was not there. I quickly went and got my iPad.  Luckily, I thought, at least the older information was still listed on the iPad. Then, right as I was about to send it to myself to have a copy on my computer, the iPad version of the note disappeared.  They are both just GONE. I can't imagine what happened and now I feel totally insecure about keeping any information in notes. Has anyone else had this happen?  What are your suggestions about 1) is there any possible way to retrieve that information? and 2) what should I use instead of Notes that would be more secure?  Or should I keep using it and send copies of anything important to the computer to put into a Word document so Time Machine will back it up?
Lucy

Answer 1

No, can't say I have.
Could very well well be an image format issue, or a corrupted file. What platform is the source from (iOS, Android?). And what does "not being able to open" mean exactly?
You might also try a reset: Simultaneously hold down the Home and On buttons until the device shuts down. Ignore the off slider if it appears. Once shut down is complete, if it doesn't restart on it own, turn the device back on using the On button. In some cases it also helps to double click the Home button and close all apps from the tray before doing the reset.