for (int i = 0; i < _columnNames.size(); i++) {
String name = _columnNames.get(i);
int cellIndex = _firstNewCellIndex + i;
Column column = new Column(cellIndex, name);
column.setReconConfig(new DataExtensionReconConfig(_columnTypes.get(i)));
column.setReconStats(ReconStats.create(project, cellIndex));
try {
project.columnModel.addColumn(_columnInsertIndex + i, column, true);