I am getting the same error message in emplode (both the beta 12b version and the technology preview) when attempting to synchronise my Mk1 over serial, but the empeg locks up and the last message on the screen is "Starting Poll Thread Failed". I have to power cycle the empeg to get it going again.

(list 6284, S/N 00299, 4 gig blue)
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(list 6284, Mk1 S/N 00299 4GB blue [sold]. Mk2 S/N 080000094 20GB blue)