[image] I keep getting this error, but i don't know what it means? can someone help please. calendario_settimanale (1).aia (316.2 KB)

Yes, but if you use the same namespace and the same tag, you will be storing the data on the same place....Use, at least, a different namespace for each project and, a different Tag for each data set. Here you have a graphical explanation of the namespaces: [image] Please te…