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Hi!

I have been using parallel processing on several openfoam versions. Recently, I built openfoam v2106 from source with debug turned on in etc/bashrc file. All other tutorials are running fine as well but when I try to use scotch decomposition, it gives me the following error:

Decomposition method scotch [4] (region region0)

--> FOAM FATAL ERROR: (openfoam-2106)
Attempted to use <scotch> without the scotchDecomp library loaded.
This message is from the dummy scotchDecomp stub library instead.

Please install <scotch> and ensure libscotch.so is in LD_LIBRARY_PATH.
The scotchDecomp library can then be built from src/parallel/decompose/scotchDecomp.
Dynamically loading or linking this library will add <scotch> as a decomposition method.

Please help resolve this.

Thanks!