After performing a Distributed Install to upgrade Spectrum 10.4.0 to 10.4.2, user is seeing a ""Detected incompatible model mask configuration" error when starting the SpectroSERVER process:
Release : 20.2
Component : Spectrum Core / SpectroSERVER
For this particular issue, the user had set the "ss_install=no" in the Host Installation Information (HII) file.
When upgrading the SpectroSERVER system using the Distributed Installation method, ensure you have set "ss_install=yes" in the HII file.
Please reference the "HII File Parameters" section of the documentation for more information.