Have been using PVO for at least 7 years without a memorable problem then a couple of months ago apart from two days last month PVO refuses two work. The problem is associated with time zones the date changes at mid day instead of mid night is there a work around or or has some other change to the software taken place which affects time zone. If it assists this is a uk sight
What software / script are you using to upload from the SMA?
Sunny Explorer 2.01.21