Stepconf HAL: ERROR: duplicate component name 'hal

<pyvcp>
    <button>
        <halpin>"set-probe-xy"</halpin>
        <text>"Längensensorposition merken"</text>
    </button>
    <button>
        <halpin>"goto-probe-xy"</halpin>
        <text>"Zur Längensensorposition"</text>
    </button>
    <button>
        <halpin>"do-the-probe"</halpin>
        <text>"Werkzeuglänge messen"</text>
    </button>
    <button>
        <halpin>"set-the-toollength"</halpin>
        <text>"Werkzeuglänge setzen"</text>
    </button>
    <button>
        <halpin>"set-xy-zero"</halpin>
        <text>"X/Y auf 0 setzen"</text>
    </button>
</pyvcp>

laengensensor.hal:
net set-probe-xy halui.mdi-command-00 <= pyvcp.set-probe-xy
net goto-probe-xy halui.mdi-command-01 <= pyvcp.goto-probe-xy
net do-the-probe halui.mdi-command-02 <= pyvcp.do-the-probe
net set-the-toollength halui.mdi-command-03 <= pyvcp.set-the-toollength
net set-xy-zero halui.mdi-command-04 <= pyvcp.set-xy-zero
.ini-Datei (Ausschnitt):
[HALUI]
MDI_COMMAND = G30.1
MDI_COMMAND = G30
MDI_COMMAND = G38.2 Z-3 F20
MDI_COMMAND = G92 Z33
MDI_COMMAND = G92 X0 Y0