Issue during the compilation

Hi, I get the following error during the compilation with the last updates:

/WORK/maurizio_exa/ExaHyPE-Engine/ExaHyPE/exahype/solvers/ADERDGSolver.cpp: In member function ‘virtual void exahype::solvers::ADERDGSolver::mergeWithNeighbourData(int, const HeapEntries&, int, int, const tarch::la::Vector<2, int>&, const tarch::la::Vector<2, int>&, const tarch::la::Vector<2, double>&, int)’: /WORK/maurizio_exa/ExaHyPE-Engine/ExaHyPE/exahype/solvers/ADERDGSolver.cpp:3566:27: error: ‘s’ was not declared in this scope lFhbnd,dofPerFace,s ^