PARA_ERROR(SEXP_BUILD, "could not build S-expression"), \
PARA_ERROR(SEXP_ENCRYPT, "could not encrypt S-expression"), \
PARA_ERROR(SEXP_DECRYPT, "could not decrypt S-expression"), \
PARA_ERROR(SEXP_BUILD, "could not build S-expression"), \
PARA_ERROR(SEXP_ENCRYPT, "could not encrypt S-expression"), \
PARA_ERROR(SEXP_DECRYPT, "could not decrypt S-expression"), \