Force contributions a_12 and a_21 in out file are wrong iff parallelization is used
Note: This is just the output in the out file. It only covers the contributions from one of the parallel processes. At a later point the contributions calculated in all processes are summed up.
This probably does not need fixing as these are artificial quantities with no real meaning. Maybe a notification of this fact could be written into the out file.
The out.xml file is not affected as it only covers the final results for the forces.