Can't Connect Frames / Prototype Mode

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Hi everyone,
I have an issue connecting two frames in Prototype Mode.
As you can see from the image when I try to make the connection between the frames, an arrow named Back appears and it only gives me the choice to select the choices appearing to the image. It’s the first time I see this on Figma and I can’t find something similar

Are you sure they are frames (not groups) which are top level (not wrapped in anything like other frames or groups)?

1 Like

Yes I double checked.
I copied the whole frame and in the new frame I was able to do the connection.

Maybe it can help someone else - for me, the problem was that the frame I’m trying to connect wasn’t in the same section as the first frame from where the connection was starting.