protected void buildExpression(ExpressionDTO expressionDTO, StringBuffer sb, String entityKey,
BLCOperator operator, RuleBuilderFieldService fieldService)
throws MVELTranslationException {
String field = expressionDTO.getName();
SupportedFieldType type = fieldService.getSupportedFieldType(field);
SupportedFieldType secondaryType = fieldService.getSecondaryFieldType(field);
Object[] value;
if (type == null) {
throw new MVELTranslationException(MVELTranslationException.SPECIFIED_FIELD_NOT_FOUND, "The DataDTO is not compatible with the RuleBuilderFieldService " +
"associated with the current rules builder. Unable to find the field " +