Sudden change in Pitch (problem in cubase 5)

Hey guys,

I’m using cubase 5.
Sometime I get a sudden change in pitch from the mod wheel without touching anything or doing any automations.
When it happens I see on the track a vertical line, I’ve added a screen shot.

Help is needed, Thanks.


Do you have any midi controller or midi keyboard plugged for instance?
I had the same issue a long time ago, and was caused by my akai midi keyboard that sometimes sended data when recording.
Even when I didnt touched any knob or fader in the midi. Only playing the keys.

In my case it was the Panning.
I workaround by disabling the CC trigger for the panning.