Think
While got the same error on Debian 9 (Stretch) on Freeswitch upgrading from 1.8 to 1.10, I could, Thank God, get my FusionPBX (Freeswitch) up again.
Think that this could help: https://freeswitch.org/confluence/display/FREESWITCH/Debian+9+Stretch
According to above mentioned, at...