I have added I/O ports to my schematic design and want to connect them to an existing net.
To do this, I select the endpoint of the wire connected to the I/O port, and drag and drop the endpoint on another wire.
As I do this, I see a pop-up dialog box that says, "Internal Error: Join Branches." Additionally,thenet whose end point was being dragged disappears, and "Undo" will not restore the wire.
This error will occur if:
To work around this issue, a user can do one of the following:
This issue will be fixed in ISE Design Suite 14.1.