function getValidateException(iDecimals) {
			var sText;

			if (!this.bShowNumber) {
				sText = iDecimals
					? getText(sMessageKeyPrefix + ".WithDecimals", [iDecimals])
					: getText(sMessageKeyPrefix + ".WithoutDecimals");
			} else {
				sText = iDecimals
					? getText("EnterNumberFraction", [iDecimals])
					: getText("EnterInt");
			}

			return new ValidateException(sText);
		}
Returns the validate exception based on "showNumber" and "showMeasure" format options and
given decimals.

@param {int} iDecimals
  The allowed number of decimals of the current currency
@returns {sap.ui.model.ValidateException}
  The validate exception

@private