Exception Summary Exception Description ChangeDataFetchingExceptionException thrown by operations while computing their associated change data, when they want the problem to halt all computations and report a message to the user. DuplicateColumnException IOOperationExceptionThrown by exceptions when they encounter an IO error while retrieving the statically computed data they require. MissingColumnExceptionException thrown by an operation when the grid it is applied to misses a column. OperationExceptionException thrown by an operation when it fails to apply. ParsingOperationExceptionAn exception thrown when a
ParsingExceptionis thrown from an expression relied on by the operation.