The user Resilio Sync is running as, the user specified when you configured Resilio Sync, probably does not have permissions to the folder. Double check that this user, rslsync in my case, has at least read and write permissions.
You can check from the File Station app in the Synology Console or from the ssh shell.
Synology - Questions about sync, rename and ignore
in Sync for NAS (Network Attached Storage)
Posted
The user Resilio Sync is running as, the user specified when you configured Resilio Sync, probably does not have permissions to the folder. Double check that this user, rslsync in my case, has at least read and write permissions.
You can check from the File Station app in the Synology Console or from the ssh shell.
from the ssh shell----
ls -lead /volume1/homes/user1/Documents/
drwxrwxrwx+ 1 rslsync rslsync 4138 Jul 6 11:13 /volume1/homes/user1/Documents/
[0] user:rslsync:allow:rwxpdDaARWc--:fd-- (level: 0)
[1] user:user1:allow:rwxp-DaARWc--:fd-- (level: 1)
[2] group:users:allow:r-x---a-R-c--:fd-- (level: 1)
[3] everyone::allow:r-x---a-R-c--:fd-- (level: 1)