Improve naming in chemharp C errors
Improve naming in chemharp C errors

Luthaf/Chemharp,lscalfi/chemfiles,chemfiles/chemfiles,chemfiles/chemfiles,chemfiles/chemfiles,lscalfi/chemfiles,Luthaf/Chemharp,lscalfi/chemfiles,Luthaf/Chemharp,lscalfi/chemfiles,chemfiles/chemfiles