Solved Thin weird black line changing instrument *SOLVED*

[Nighthawk]

I got this thin weird squiggly black line that is changing instrument. How did it happen, and how do I get rid of it?
See picture.
Thank you.

 

[Sebastian Holtzer]

Aftertouch / MPE-Data? Have a look on your Notecontroller in the Note-Editor.

 

[Nighthawk]

I have no clue is there a way to turn it off manually now?
The thing is if I move the note away from that spot with the squiggly line it sounds good.

 

[AAV]

I have no clue is there a way to turn it off manually now?
The thing is if I move the note away from that spot with the squiggly line it sounds good.

As Sebastian describes in the post above, edit your MIDI event (double click is the default) then click to "show/hide automation lanes" at the bottom, then see what you have. The example here is modulation (recorded from a mod wheel). You can highlight and edit (or delete) this data.
Edit modulation data (or Note controller/Pitch bend/After touch data).

 

[FMN-Music]

You can stop recording Aftertouch Data coming from Keyboard Controllers like this:

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[Nighthawk]

I am such a noob here, that I didn't understand what you guys were taking about. But it gave me a starting point to search and you were all right and the problem is fixed.
thank you all for the help.
Much appreciated, I could have not have figured this out by myself.