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Summary

Tutorial basic/laplacianFoam/multiWorld runs coupling in two ways:

• direct bc-to-bc. This runs ok.
• explicit using syncObjects FO coupling. This produces an error message after finishing:

Finalising parallel run
Finalising parallel run
--------------------------------------------------------------------------
Primary job  terminated normally, but 1 process returned
a non-zero exit code. Per user-direction, the job has been aborted.
--------------------------------------------------------------------------
--------------------------------------------------------------------------
mpirun detected that one or more processes exited with non-zero status, thus causing
the job to be terminated. The first process to do so was:

  Process name: [[8025,1],1]
  Exit code:    1
--------------------------------------------------------------------------

Steps to reproduce

Above tutorial.

Environment information

• OpenFOAM version : v2106
• Operating system : linux, openmpi