plot menu add channel produces exception
jameson.rollins@cdsws03:/opt/rtcds/userapps/release/cal/common/guardian 0$ ndscope H1:CAL-PCALY_PCALOSC3_OSC_SINGAIN H1:CAL-PCALY_PCALOSC2_OSC_SINGAIN H1:CAL-PCALY_PCALOSC1_OSC_SINGAIN
SCOPE: Unknown channel 'SUS-ETMY_L3_CAL_LINE_CLKGAIN'.
Traceback (most recent call last):
File "/var/opt/conda/base/envs/cds/lib/python3.9/site-packages/ndscope/scope.py", line 658, in _add_plot_handler
self.add_plot(**plot_kwargs)
File "/var/opt/conda/base/envs/cds/lib/python3.9/site-packages/ndscope/scope.py", line 630, in add_plot
plot.add_channel(name, **ckwargs)
File "/var/opt/conda/base/envs/cds/lib/python3.9/site-packages/ndscope/plot.py", line 197, in add_channel
self._add_channel_obj(cc)
File "/var/opt/conda/base/envs/cds/lib/python3.9/site-packages/ndscope/plot.py", line 201, in _add_channel_obj
self.data.add_channel(channel)
File "/var/opt/conda/base/envs/cds/lib/python3.9/site-packages/ndscope/data.py", line 320, in add_channel
raise UnknownChannelError(error)
ndscope.exceptions.UnknownChannelError: Unknown channel 'SUS-ETMY_L3_CAL_LINE_CLKGAIN'.
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 8573, resource id: 21618907, major code: 40 (TranslateCoords), minor code: 0
jameson.rollins@cdsws03:/opt/rtcds/userapps/release/cal/common/guardian 0$