Has anyone had the Dexcom shut off saying it's memory is full. We just downloaded about a month ago. We've never had this happen in the 11 months we've had it. Then when we were downloading it, the Dexcom kept saying the download failed although it kept downloading on the computer. It got a little damp today after Ryan went kayaking for the first time, ziplock bag leaked. Secondly, Ryan had major leg cramps tonight after kayaking and swimming. Both legs...We've never had that happen. His glucose was coming down after being over 400. First time for this too. He was yelling in pain and crying, rolling around on the floor. Never seen this. I had him eat a banana and gave him a vitamin. Don't know what else to do.. Has this happened to anyone? Advice is very welcomed.