Hi Admin, I Cannot create a new a logbook for new callsign in my logbook This is dox as a reference for my problem: For callsign YD9DE, YC9DE, YC9DE / P the end date 2020/12/05. see dox below. Please can you help solve this problem, because I can't enter my qso with the YB9DE callsign. I Made Subratha, YB9DE