Hi, I am setting up preCICE on a cluster and in some configurations I get the following error [com::MPIDirectCommunication]:118 in getLeaderRank: ERROR: Unknown accessor name "BiotSolverMaster"! and I have no idea where this comes from. Some quick facts: My simulation has two participants name…

[image] uekerman: In our experience, sockets are more reliable, but MPI is definitely worth a try. Then I willstick with sockets for the moment. [image] uekerman: Is there no infiniband? ib0 or similar? Normally this is crucial, with lo you can only connect to sockets on the same node. …

getLeaderRank: ERROR: Unknown accessor name

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getLeaderRank: ERROR: Unknown accessor name

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