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<@U016EM8L91B> I was trying to update my custom open_pdks installation to update pdk by running `make update` but it is giving error as below.

It appears that the sources don't exist, so there's nothing there to update.

You can either just run `make` to install the sources, or if you just want to install the sources without doing a full build, then do
`cd sky130` followed by `make prerequisites`.

<@U01TK0ML9H9> did you install the original pdk with volare? I don’t know whether or not the Makefile in open_pdks is compatible with volare.