FreeFileSync Forum

My system
OS: Ubuntu Impish
FreeFileSync version: 11.14 (installed directly from this website)
I use this command to run my sync job automatically (unintended in the background).
Command:
0 */6 * * * DISPLAY=:0 /opt/FreeFileSync/FreeFileSync /home/PF/PF.ffs_batch

When the command runs by crontab ...