pin "pyvcp.XXX" does not exist

<labelframe text="TAILSTOCK">
       <font>("Helvetica",16)</font>

        <!-- le bouton de jog de la poupee mobile -->
        <hbox>
            <relief>RAISED</relief>
            <bd>3</bd>
            <button>
                <font>("Helvetica",20)</font>
                <width>3</width>
                <halpin>"tailstock-plus"</halpin>
                <text>"H+"</text>
            </button>
            <button>
                <font>("Helvetica",20)</font>
                <width>3</width>
                <halpin>"tailstock-moins"</halpin>
                <text>"H-"</text>
            </button>
        </hbox>
    </labelframe>

    <labelframe text="CONVOYOR">
       <font>("Helvetica",16)</font>
        <!-- le bouton de jog de la poupee mobile -->
        <hbox>
            <relief>RAISED</relief>
            <bd>3</bd>
            <button>
                <font>("Helvetica",20)</font>
                <width>3</width>
                <halpin>"convoyor-rev"</halpin>
                <text>"RV"</text>
            </button>
            <button>
                <font>("Helvetica",20)</font>
                <width>3</width>
                <halpin>"convoyor-fwd"</halpin>
                <text>"FW"</text>
            </button>
        </hbox>
    </labelframe>

HAL]
HALFILE = main.hal
HALFILE = io.hal
HALFILE = sserial.hal
HALFILE = custom.hal
HALFILE = Carousel.hal
POSTGUI_HALFILE = postgui.hal
SHUTDOWN = shutdown.hal
HALUI = halui

show pin
# Put HAL commands in this file that you want to run after the GUI loads

net tailstock-moins     =>      pyvcp.tailstock-moins
net tailstock-plus      =>      pyvcp.tailstock-plus
net convoyor-rev        =>      pyvcp.convoyor-rev
net convoyor-fwd        =>      pyvcp.convoyor-fwd

# PyVCP button #

loadrt and2 names=and2_tailstock_manu_moins,and2_tailstock_manu_plus
loadrt or2 names=or2_tailstock_manu_auto_moins,or2_tailstock_manu_auto_plus

addf and2_tailstock_manu_moins           servo-thread
addf and2_tailstock_manu_plus            servo-thread
addf or2_tailstock_manu_auto_moins       servo-thread
addf or2_tailstock_manu_auto_plus        servo-thread

net program_no_running     halui.program.is-idle
net program_no_running        and2_tailstock_manu_moins.in0
net program_no_running     and2_tailstock_manu_plus.in0

# headstock

net my-jogtailstock-moins-auto            motion.digital-out-00
net my-jogtailstock-moins                 tailstock-moins and2_tailstock_manu_moins.in1
net my-jogtailstock-moins-manu            and2_tailstock_manu_moins.out => or2_tailstock_manu_auto_moins.in0
net my-jogtailstock-moins-manu-auto       or2_tailstock_manu_auto_moins.out => hm2_7i97.0.7i84.0.0.output-00


net my-jogtailstock-plus-auto            motion.digital-out-01
net my-jogtailstock-plus                 tailstock-plus and2_tailstock_manu_plus.in1
net my-jogtailstock-plus-manu            and2_tailstock_manu_plus.out => or2_tailstock_manu_auto_plus.in0
net my-jogtailstock-plus-manu-auto       or2_tailstock_manu_auto_plus.out => hm2_7i97.0.7i84.0.0.output-01


# convoyor
net my-jogconvoyor-rev     hm2_7i97.0.7i84.0.0.output-02 <= convoyor-rev
net my-jogconvoyor-fwd     hm2_7i97.0.7i84.0.0.output-03 <= convoyor-fwd

[DISPLAY]
DISPLAY = axis
EDITOR = mousepad
PROGRAM_PREFIX = /home/cnc/linuxcnc/nc_files
POSITION_OFFSET = RELATIVE
POSITION_FEEDBACK = ACTUAL
MAX_FEED_OVERRIDE = 1.2
MIN_LINEAR_VELOCITY = 0.5
DEFAULT_LINEAR_VELOCITY = 6.0
MAX_LINEAR_VELOCITY = 133.3
INCREMENTS = 5mm 1mm .5mm .1mm .05mm .01mm
CYCLE_TIME = 0.1
INTRO_GRAPHIC = emc2.gif
INTRO_TIME = 3
OPEN_FILE = ""
PYVCP = cnc_samua.xml
LATHE = 1

cnc@cnc:~$ linuxcnc
LINUXCNC - 2.9.2
Machine configuration directory is '/home/cnc/linuxcnc/configs/cnc_samua'
Machine configuration file is 'cnc_samua.ini'
Starting LinuxCNC...
linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod
Note: Using POSIX realtime
Found file(REL): ./main.hal
hm2: loading Mesa HostMot2 driver version 0.15
hm2_eth: loading Mesa AnyIO HostMot2 ethernet driver version 0.2
hm2_eth: 10.10.10.10: INFO: Hardware address (MAC): 00:60:1b:17:80:02
hm2_eth: discovered 7I97T
hm2/hm2_7i97.0: Low Level init 0.15
hm2/hm2_7i97.0: Smart Serial Firmware Version 43
Board hm2_7i97.0.7i84.0.0 Hardware Mode 0 = standard
Board hm2_7i97.0.7i84.0.0 Software Mode 0 = input_output
Board hm2_7i97.0.7i84.0.0 Software Mode 1 = io_analog_fieldvoltage
Board hm2_7i97.0.7i84.0.0 Software Mode 2 = io_encoder_analog
hm2/hm2_7i97.0: 51 I/O Pins used:
hm2/hm2_7i97.0:     IO Pin 000 (TB3-04): PWMGen #0, pin Out0 (PWM or Up) (Output)
hm2/hm2_7i97.0:     IO Pin 001 (TB3-08): PWMGen #1, pin Out0 (PWM or Up) (Output)
hm2/hm2_7i97.0:     IO Pin 002 (TB3-12): PWMGen #2, pin Out0 (PWM or Up) (Output)
hm2/hm2_7i97.0:     IO Pin 003 (TB3-16): PWMGen #3, pin Out0 (PWM or Up) (Output)
hm2/hm2_7i97.0:     IO Pin 004 (TB3-20): PWMGen #4, pin Out0 (PWM or Up) (Output)
hm2/hm2_7i97.0:     IO Pin 005 (AN_ENA4): PWMGen #4, pin Not-Enable (Output)
hm2/hm2_7i97.0:     IO Pin 006 (TB3-24): PWMGen #5, pin Out0 (PWM or Up) (Output)
hm2/hm2_7i97.0:     IO Pin 007 (AN_ENA5): PWMGen #5, pin Not-Enable (Output)
hm2/hm2_7i97.0:     IO Pin 008 (AN-ENA0..3): PWMGen #0, pin Not-Enable (Output)
hm2/hm2_7i97.0:     IO Pin 009 (TB1-01/TB1-09): Muxed Encoder #0, pin Muxed A (Input)
hm2/hm2_7i97.0:     IO Pin 010 (TB1-04/TB1-12): Muxed Encoder #0, pin Muxed B (Input)
hm2/hm2_7i97.0:     IO Pin 011 (TB1-07/TB1-15): Muxed Encoder #0, pin Muxed Index (Input)
hm2/hm2_7i97.0:     IO Pin 012 (TB1-17/TB2-01): Muxed Encoder #1, pin Muxed A (Input)
hm2/hm2_7i97.0:     IO Pin 013 (TB1-20/TB2-04): Muxed Encoder #1, pin Muxed B (Input)
hm2/hm2_7i97.0:     IO Pin 014 (TB1-23/TB2-07): Muxed Encoder #1, pin Muxed Index (Input)
hm2/hm2_7i97.0:     IO Pin 015 (TB2-09/TB2-17): Muxed Encoder #2, pin Muxed A (Input)
hm2/hm2_7i97.0:     IO Pin 016 (TB2-12/TB2-20): Muxed Encoder #2, pin Muxed B (Input)
hm2/hm2_7i97.0:     IO Pin 017 (TB2-15/TB2-23): Muxed Encoder #2, pin Muxed Index (Input)
hm2/hm2_7i97.0:     IO Pin 018 (Internal EncMux): Muxed Encoder Select #0, pin Mux Select 0 (Output)
hm2/hm2_7i97.0:     IO Pin 019 (TB5-13/TB5-14): SSR #0, pin Out-00 (Output)
hm2/hm2_7i97.0:     IO Pin 020 (TB5-15/TB5-16): SSR #0, pin Out-01 (Output)
hm2/hm2_7i97.0:     IO Pin 021 (TB5-17/TB5-18): SSR #0, pin Out-02 (Output)
hm2/hm2_7i97.0:     IO Pin 022 (TB5-19/TB5-20): SSR #0, pin Out-03 (Output)
hm2/hm2_7i97.0:     IO Pin 023 (TB5-21/TB5-22): SSR #0, pin Out-04 (Output)
hm2/hm2_7i97.0:     IO Pin 024 (TB5-23/TB5-24): SSR #0, pin Out-05 (Output)
hm2/hm2_7i97.0:     IO Pin 025 (Internal InMux0): SSR #0, pin AC Ref (internal) (Output)
hm2/hm2_7i97.0:     IO Pin 026 (Internal InMux1): InMux Input Mux #0, pin addr0 (Output)
hm2/hm2_7i97.0:     IO Pin 027 (Internal InMux2): InMux Input Mux #0, pin addr1 (Output)
hm2/hm2_7i97.0:     IO Pin 028 (Internal InMux3): InMux Input Mux #0, pin addr2 (Output)
hm2/hm2_7i97.0:     IO Pin 029 (Internal InMuxData): InMux Input Mux #0, pin addr3 (Output)
hm2/hm2_7i97.0:     IO Pin 030 (TB4-15/TB4-16): InMux Input Mux #0, pin muxdata (Input)
hm2/hm2_7i97.0:     IO Pin 031 (TB4-17/TB4-18): Smart Serial Interface #0, pin rx0 (Input)
hm2/hm2_7i97.0:     IO Pin 032 (TB4-17/TB4-18): Smart Serial Interface #0, pin tx0 (Output)
hm2/hm2_7i97.0:     IO Pin 033 (P1-01/DB25-01): Smart Serial Interface #0, pin txen0 (Output)
hm2/hm2_7i97.0:     IO Pin 034 (P1-02/DB25-14): IOPort
hm2/hm2_7i97.0:     IO Pin 035 (P1-03/DB25-02): IOPort
hm2/hm2_7i97.0:     IO Pin 036 (P1-04/DB25-15): IOPort
hm2/hm2_7i97.0:     IO Pin 037 (P1-05/DB25-03): IOPort
hm2/hm2_7i97.0:     IO Pin 038 (P1-06/DB25-16): IOPort
hm2/hm2_7i97.0:     IO Pin 039 (P1-07/DB25-04): IOPort
hm2/hm2_7i97.0:     IO Pin 040 (P1-08/DB25-17): IOPort
hm2/hm2_7i97.0:     IO Pin 041 (P1-09/DB25-05): IOPort
hm2/hm2_7i97.0:     IO Pin 042 (P1-11/DB25-06): IOPort
hm2/hm2_7i97.0:     IO Pin 043 (P1-13/DB25-07): IOPort
hm2/hm2_7i97.0:     IO Pin 044 (P1-15/DB25-08): IOPort
hm2/hm2_7i97.0:     IO Pin 045 (P1-17/DB25-09): IOPort
hm2/hm2_7i97.0:     IO Pin 046 (P1-19/DB25-10): IOPort
hm2/hm2_7i97.0:     IO Pin 047 (P1-21/DB25-11): IOPort
hm2/hm2_7i97.0:     IO Pin 048 (P1-23/DB25-12): IOPort
hm2/hm2_7i97.0:     IO Pin 049 (P1-25/DB25-13): IOPort
hm2/hm2_7i97.0: registered
./main.hal:176: Pin 'convoyor-rev' does not exist
Shutting down and cleaning up LinuxCNC...
Running HAL shutdown script
iov2: exiting
hm2_eth: in hm2_eth_reset
hm2_eth: HostMot2 ethernet driver unloaded
hm2: unloading
Note: Using POSIX realtime
LinuxCNC terminated with an error.  You can find more information in the log:
    /home/cnc/linuxcnc_debug.txt
and
    /home/cnc/linuxcnc_print.txt
as well as in the output of the shell command 'dmesg' and in the terminal