Up to version 3.7.11, Weather Station compiled the historical sunshine duration in the “maximum value” dataset. This background process fix this error in moving “maximum value” dataset in “aggregated value” dataset.
This background process is executed only once, when updating Weather Station to version 3.8.0.
This process may take from minutes to days. It does not interfere with the operation of your server and you are notified by email of the end of treatment.