- Refactored WaveConditionsCalculationConfigurationImporter so it doesn't throw an internal exception anymore. - Refactored CalculationConfigurationImporter so it doesn't catch internal exceptions. Related to Issue [WTI-1160] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@8879 5a3db67b-de53-47b5-99c8-a1c30a6650e2