Trouble with /eos/key/+% and -% with TouchOSC

I've been working on my TouchOSC layouts. I recently noticed that my +% and -% buttons don't seem to be working. I can't be certain whether this is only recently the case.

OSCRouter reports the correct message ("/eos/key/+%", "/eos/key/-%", as specified in the ETC 'Eos OSC Keys.pdf' file) is being received on the Mac running Nomad, so I don't think it's TouchOSC causing the problem.

Has anybody gotten these particular keys working with OSC to Eos Nomad 2.6?

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