script stops on adding sink

[Rajmi105]

when I start the script it stops on adding sink. I have a record device but I can't use it. Sound not even working cause when I talk on my phone mumble on my pc not even showing that am speaking

[Rajmi105]

• main
• set_up
• prepare_env
• '[' '!' -e /home/cutieray/.mic_over_Mumble ']'
• cd /home/cutieray/.mic_over_Mumble
• echo bonjour=true
• echo bandwidth=130000
• '[' '!' -e ./initdone ']'
• start_mumble_server
• echo 'Starting Mumble server (murmurd)...'
  Starting Mumble server (murmurd)...
• sleep 5
• murmurd -ini ./murmur.ini
  + start_mumble_client
• echo 'Starting Mumble client (a window should appear in a moment)...'
  Starting Mumble client (a window should appear in a moment)...
• MUMBLE_CLIENT_ID=12892
• disown
• mumble mumble://localhost
• sleep 15
  + change_pa_config
• echo 'Changing PulseAudio configuration...'
  Changing PulseAudio configuration...
• add_sink
• echo 'Adding sink...'
  Adding sink...
  ++ pactl load-module module-null-sink sink_name=Loopback_of_Mumble sink_properties=device.description=Loopback_of_Mumble
• SINK_MODULE_PAID=27
• sleep 1
  ++ get_sink_paid
  +++ pacmd list-sinks
  +++ grep -F -e 'index: ' -e 'name: '
  +++ cut_every_second_newline
  +++ awk 'ORS=NR%2?" ":"\n"'
  +++ grep -F -e Loopback
  +++ cut_active_device_indicator
  +++ cut -c 5-
  +++ take_second_column
  +++ awk '{print $2}'
  ++ result=3
  ++ '[' -z 3 ']'
  +++ echo 3
  +++ wc -l
  ++ '[' 1 '!=' 1 ']'
  ++ echo 3
• SINK_PAID=3
• move_mumble_to_sink
  ++ get_mumble_client_paid
  +++ pacmd list-sink-inputs
  +++ grep -F -e 'index: ' -e 'media.name = '
  +++ cut_every_second_newline
  +++ awk 'ORS=NR%2?" ":"\n"'
  +++ grep -F -e Mumble
  +++ take_second_column
  +++ awk '{print $2}'
  ++ result=
  ++ '[' -z '' ']'
  ++ echo 'Error: Mumble client did not connect to PulseAudio (yet?).'
  ++ print_how_to_restart
  ++ exit 1
• MUMBLE_CLIENT_PAID='Error: Mumble client did not connect to PulseAudio (yet?).
  ++ echo '''Please find the reason why this happened, try fixing it'''
  Please find the reason why this happened, try fixing it
  ++ echo '''(pacmd list-sink-inputs and pacmd list-sinks may be'''
  (pacmd list-sink-inputs and pacmd list-sinks may be
  ++ echo '''useful), then kill mumble and murmurd, restart PulseAudio via'''
  useful), then kill mumble and murmurd, restart PulseAudio via
  ++ echo '''pulseaudio -k, and finally, restart the script.'''
  pulseaudio -k, and finally, restart the script.'

here is the output of the script in debug mode