Hello!
I tryed to upgrade fop2 as FreePBX module from 1.2.13 to 1.2.15, but got error.

Reload failed because retrieve_conf encountered an error: 1

exit: 1
Added to globals: OPERATOR_XTN =
Added to globals: VM_OPTS =
Added to globals: VM_GAIN =
Added to globals: VM_DDTYPE = u
Added to globals: VMX_OPTS_LOOP =
Added to globals: VMX_OPTS_DOVM =
Added to globals: VMX_TIMEOUT = 2
Added to globals: VMX_REPEAT = 1
Added to globals: VMX_LOOPS = 1
Added to globals: ASTETCDIR = /etc/asterisk
Added to globals: ASTMODDIR = /usr/lib/asterisk/modules
Added to globals: ASTVARLIBDIR = /var/lib/asterisk
Added to globals: ASTAGIDIR = /var/lib/asterisk/agi-bin
Added to globals: ASTSPOOLDIR = /var/spool/asterisk
Added to globals: ASTRUNDIR = /var/run/asterisk
Added to globals: ASTLOGDIR = /var/log/asterisk
Added to globals: CWINUSEBUSY = true
Added to globals: AMPMGRUSER = admin
Added to globals: AMPMGRPASS = gramoZeka80
Added to globals: AMPDBENGINE = mysql
Added to globals: AMPDBHOST = localhost
Added to globals: AMPDBNAME = asterisk
Added to globals: AMPDBUSER = asteriskuser
Added to globals: AMPDBPASS = MsoMnw11TSAzEbRD
Added to globals: VMX_CONTEXT = from-internal
Added to globals: VMX_PRI = 1
Added to globals: VMX_TIMEDEST_CONTEXT =
Added to globals: VMX_TIMEDEST_EXT = dovm
Added to globals: VMX_TIMEDEST_PRI = 1
Added to globals: VMX_LOOPDEST_CONTEXT =
Added to globals: VMX_LOOPDEST_EXT = dovm
Added to globals: VMX_LOOPDEST_PRI = 1
Added to globals: MIXMON_DIR =
Added to globals: MIXMON_POST =
Added to globals: DIAL_OPTIONS = Ttr
Added to globals: TRUNK_OPTIONS = Tt
Added to globals: TRUNK_RING_TIMER = 300
Added to globals: MIXMON_FORMAT = wav
Added to globals: REC_POLICY = caller
Added to globals: RINGTIMER_DEFAULT = 15
Added to globals: TRANSFER_CONTEXT = from-internal-xfer
[FATAL] died in splice app-cf-on  ** MISSING FEATURE CODE **

Trace Back:

/var/www/html/admin/libraries/extensions.class.php:183 die_freepbx()
 [0]: died in splice app-cf-on  ** MISSING FEATURE CODE **

/var/www/html/admin/modules/fop2admin/functions.inc.php:230 extensions->splice()
 [0]: app-cf-on
 [1]: ** MISSING FEATURE CODE **
 [2]: hook_1
 [3]:

/var/lib/asterisk/bin/retrieve_conf:683 fop2admin_hookGet_config()
 [0]: asterisk

Then I upgrade fop2 server and reinstall fop2 module and again the same error.

I have asterisk 1.8 and FreePBX 2.11

Could you help please to resolve this trouble?