Showcontrol Midi Gateway sees only Raw Midi FF

We have a show with a Show Control Midi Gateway, and i am getting correct Midi Notes send by Ableton, this worked before on other shows but nit know, the Gateway is on a switch and can be pinged and seen in Concert, Siftware Version is 2.1.0.10, Eos 3.0.2 Build 6, we hav list with Midi Notes that Trigger the cues, in the Gateway there a Midi can be seen as n/y changes.. the Gateway is connected with USB Cable..is there anything that has to changed that Midi Notes will be accepted, incoming Tab 99 only shows Raw Midi FF

thank you Hannes 

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