[Trlog] KS - Line 600 was discarded

[RiC]

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160 METER CONTEST LOG WARNING MESSAGE REPORT FROM THE ROBOT

KS
  Line 600 was discarded.  'KS' is not recognized as a
  valid field in a Cabrillo log file for the ARRL 160 Meter Contest.

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Anyone receive anything like the above, after submitting their ARRL 
160-meter Contest Log to 160meter at arrl.org ?

I double checked my log (CREATED-BY: TR Log POST Version 6.79) and find NO 
uppercase KS, other than call signs KS1J and KS0T.  All Kansas abbreviations 
are Ks.

I cannot correct an item that appears to be correct to me; nor do I want 
anybody to lose a Q because of an error caused by a source other than 
myself.

Anyone willing to examine my log to determine the source/cause of the error?

TU
Ric
Wo4o

http://www.qrz.com/callsign/Wo4o