I have a problem with running PEX in cadence with 130nm UMC
each cell i run pex i have errors and warning with same number
i have the pex file and running without issues
CIW is the main window in Cadence Virtuoso environment, where you can enter commands and see some output results.
If you cannot find it - you have to solve this problem first, before asking for PEX help.
Ask you CAD group for help.