Re-sync'ing? Negative message numbers?

I just simplified my config drastically and I see it is attempting to
re-sync my "All Mail" folders:

--8<---------------cut here---------------start------------->8---
Copy message 312102 (218956 of 218961) BoostProRemote:[Gmail]/All Mail -> BoostProLocal
Copy message 312103 (218957 of 218961) BoostProRemote:[Gmail]/All Mail -> BoostProLocal
Copy message 312104 (218958 of 218961) BoostProRemote:[Gmail]/All Mail -> BoostProLocal
Copy message 312106 (218959 of 218961) BoostProRemote:[Gmail]/All Mail -> BoostProLocal
Copy message 312107 (218960 of 218961) BoostProRemote:[Gmail]/All Mail -> BoostProLocal
Copy message 312108 (218961 of 218961) BoostProRemote:[Gmail]/All Mail -> BoostProLocal
Copy message -65 (1 of 199) BoostProLocal:[Gmail].All Mail -> BoostProRemote
Copy message -199 (2 of 199) BoostProLocal:[Gmail].All Mail -> BoostProRemote
Copy message -198 (3 of 199) BoostProLocal:[Gmail].All Mail -> BoostProRemote
Copy message -197 (4 of 199) BoostProLocal:[Gmail].All Mail -> BoostProRemote
Copy message -196 (5 of 199) BoostProLocal:[Gmail].All Mail -> BoostProRemote
--8<---------------cut here---------------end--------------->8---

Should I be worried about the negative message numbers I'm seeing here?

--

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com

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