Hi Dennis,
I closed all programs, rebooted the puter, re-installed the latest update(.43) rebooted again. I do not like DX Summitt so I use the telnet window. Using the very left icon on the telnet window for sending DX spots. I can high lite any hf station in my log, 10m and below and all works fine. 6m, 2m, 70cm and above all give the before mentioned errors.
Rick AK3E