Hello Mike, all,

it seems that Logger32 caused the problem.

After shutting it down both WSJT-X instances run happily.

Probably Logger32 gets confused by the UDP traffic of 2 WSJT-X instances.

I'll have to find out how to fix that, but as it is not WSJT-X related I will 
have to do that somewhere else.


Thanks for all responses!


73, Rik  ON7YD


________________________________
Van: Black Michael via wsjt-devel <wsjt-devel@lists.sourceforge.net>
Verzonden: zondag 28 juni 2020 16:34
Aan: WSJT software development
CC: Black Michael
Onderwerp: Re: [wsjt-devel] Invalid operation

I can't find that error message in either WSJT-X or Hamlib.

Are you running hamlogger?

https://groups.io/g/hamlogger/topic/invalid_operation/16815153?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,60,16815153


Mike W9MDB



On Sunday, June 28, 2020, 09:30:54 AM CDT, Rik Strobbe 
<rik.stro...@kuleuven.be> wrote:



?Hello Bill,


I get it once at startup and from then on serveral for each decoding cycle. 
They show up at the same time as the decodes are displayed.


It only happens it both instances are running, regardless what one is started 
first.


?I had a look for 3297312.768 MHz?  in File->Settings-->Frequencies, it not in 
the list.


Anything else I should check?


73, Rik  ON7YD


________________________________
Van: Bill Somerville <g4...@classdesign.com>
Verzonden: zondag 28 juni 2020 15:53
Aan: wsjt-devel@lists.sourceforge.net
Onderwerp: Re: [wsjt-devel] Invalid operation

On 28/06/2020 14:43, Rik Strobbe wrote:

I tried to run 2 instances of WSJT-X, as described in 
https://physics.princeton.edu/pulsar/K1JT/wsjtx-doc/wsjtx-main-2.2.2.html? 
(FAQ, point 2).

Both instances are working, but one always trows "invalid operation" errors (or 
warnings):

?

Invalid operation

The BandPlan has no entries that match an frequency of 3297312.768 MHz.

The Band and Mode have not been changed.


I am probably doing something wrong, but I cannot figure out what.


73, Rik  ON7YD


Hi Rik,

I believe that is over zealous checking by the Hamlib library. Do you get these 
message just at startup or at other times as well?

73
Bill
G4WJS.

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