1. Launch Spectrum Control Panel using 'root' or other user who is currently owning the SpectroSERVER process. Stop SpectroSERVER process gracefully by clicking [Stop SpectroSERVER] button.
2. Change the ownership of VNM.OUT, RCPD.OUT etc. under $SPECROOT/SS directory back to 'spectrum' user using 'chown' command. Make sure when you run 'ls -l' under $SPECROOT/SS directory all files and directories are owned by 'spectrum' user except the SpectroSERVER file. The SpectroSERVER file should be owned by 'root' user and have the following attributes
-rwsr-x--- 1 root spectrum 12841 Nov 21 01:16 SpectroSERVER
3. Launch Spectrum Control Panel using 'spectrum' user and start SpectroSERVER process by clicking [Start SpectroSERVER] button.