OK, prior to the contest last week I had no trouble uploading/downloding to and from AC LOG to LoTW.
I used Scott's contest software for the contest, submitted my log to the ARRL and then imported it (only 229 contacts) into AC LOG.
I then have tried multiple times to download to LoTW using the usual method and get this message every time. Does anyone have any idea what could have happened?
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Jeff - NZ2S
JeffBanke