Bug(?):A Channels values seemingly affecting other channels

Hey everyone!
Today I had a very weird situation going on in our theatre:

I had 7 Robe Spiider (Mode3) patched to Universes 4 and 9.
Also 20 Robe LedBeam150 (Mode1) patched to Universe 13.

I put the Spiiders in Red (R:Full GBW:0).
When I put the LedBeams to Full, the Spiiders suddenly turned Magenta.
The Spiider's color parameters remained unchanged in the Moving Light Controls and still showed R:Full and GBW:0.
When I looked at the values in the About-window, it showed a value above Zero for the Blue parameter though.

I could not figure out where the values came from, as the About-window gave User 1 Manual as the source, which was definitely not the case.
When I turned the LedBeams off again, the Blue parameter went back to zero. It later turned out, that other parameters of the Spiiders were also affected.

It seems, that somehow, the Channels that controlled the LedBeams affected the Spiiders in some way, and it happened inside the desk.

Moving the Channels to other numbers and moving the output to other universes didn't get rid of the problem. Restarting the whole system also didn't help.
The devices were connected via DMX over ETC Gateways (sACN) and there were no other devices outputting sACN (or other protocols) connected to the network, other than our EOS Ti (Version: 2.9.1b17 | Library: 2.9.1.8).

I just opened the showfile on my laptop at home and I can't seem to replicate the problem. I will try to replicate it in the theatre as soon as I get the chance.
Did anyone ever experience something similar or have any idea what could cause this?
I was quite baffled as I did not think, that this would even be possible...

Kindest regards,
Christoph

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  • Alf Poier Aufzeichnung 2019-11-20 22-02-23.esf2

    Here's the showfile. I've done some further testing, the error persists even when the console is not connected to the network, so it is definitely a software problem. I was also able to reproduce it on our Gio. I think the reason why I could not reproduce it at home was, that I was in Visualizer-mode.

    It seems that only the Intensity of channels 3010 Thru 3014 seem to send values on the color-channels of 521 Thru 527, where 3010 acts as some kind of master. When 3010 is @ zero, then 3011 thru 3014 don't send anything on the color-channels. If it is put up, they do. 3010 by itself however does not affect the dmx-output.

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