# Package com.comtrade.ecm.engine.business.exceptions

- Exception Summary
  Exception | Description
  --- | ---
  BusinessEntityValidationException | Exception that occurs when some business entity validation is not fulfilled.
  NonNullableException | Exception that occurs when some business entity attribute is `"nulled"`, but such situation is not permitted. A term `"nulled"` does not have to definitely mean "equal to NULL".