I found what the problem is. It appears the Data on the SD card may be corrupt. I tried a different SD card last night. I created a new profile and successfully imported the data. Everything is now correct. I may have not write protected the card on one occasion.

I installed OSCAR on the 23 June. Successfully imported from Sleepyhead. Imported data from my SD card bring my data up to date. Every thing was fine. I imported a few other times successfully. Since the 24th of June I get There is no data to graph in the Daily section.In the overview TTA LL LRTV CS...