The error what i get when i have transferred the call and then try and mask is the following
[recording] Masking failed :: uuid_record 2b088530-fdee-49ac-8532-22c1ab3dc694 mask /var/lib/freeswitch/recordings/sip.example.com/archive/2018/Apr/16/2b088530-fdee-49ac-8532-22c1ab3dc694.mp3 :: -ERR...