Linux Debian 9 Upgrade failed - Any Help?

[Armandos]

Hello, I got a message from UPDATES section of my 3cx that there is an upgrade of Debian Distro and tried it but I get a failed message.

I attach the log if it helps.

 

[YiannisH_3CX]

Hello @Armandos

Did you use the 3CX ISO to originally install the PBX or a vanilla Debian ISO?

 

[Armandos]

Hello @Armandos

Did you use the 3CX ISO to originally install the PBX or a vanilla Debian ISO?

I used the 3CX ISO.