private static void checkIfAlreadyExistsOnePlanetWithSameAcronymAndName(PlanetUnit planetUnit) {
for (Unit unit : UnitUtils.readAllUnitsWithoutParents()) {
if (!unit.equals(planetUnit)
&& unit.isPlanetUnit()
&& (planetUnit.getAcronym().equalsIgnoreCase(unit.getAcronym())
|| planetUnit.getName().equalsIgnoreCase(unit.getName()))) {
throw new DomainException("error.unit.already.exists.unit.with.same.name.or.acronym");
}
}
}
