I have the same Problem after Update Nakivo on QNAP to v10.3 (from 10.2) the Onboard Transporter shows Error
I do the same like for Synology except the changed Path
cd /share/CACHEDEV1_DATA/.qpkg/NBR/transporter
After this a new certificate.pem is created, but now the transporter and the repository are inassesibel, and refresh will not work
The "Onboard repository" backup repository is inaccessible
The "Onboard transporter" transporter assigned to the "Onboard repository" backup repository is inaccessible. Make sure the transporter is available.
The "Onboard transporter" transporter is inaccessible
An internal error has occurred. Reason: unspecified error.
MfG
Boris