Hi,

 > I am trying to design a PCB for an irrigation computer
> in Protel 99SE, and encounter the following problem:
> ""Add node D1-2 to GND - Error: Node not found".
>  This is pin 2 of Diode 1, which forms a bridge rectifier.
> How can I rectify this?

Just guessing, but check that your Circuit symbol has the same pin numbering
scheme as your PCB footprint.

The usual problem with diodes is that one is "1" and "2" and the other is
"A" and "K"

They both have to be the same.

.................. Zim

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