Time lapse inconsistency - lost video for good!

The timelapse function is temperamental for me. Sometimes it works and saves to album and other times, especially when I stop it before my originally selected end time, it says saved to Album and when I go to check it’s nowhere to be seen. I had a timelapse going for a couple of days, I ended it early, it said saved to album and it’s totally gone. I took out the micro sd card and opened it on my computer and the timelapse folder is completely empty. Why is this feature so inconsistent and unreliable?