function mergeConfig(oTarget, oCurrentConfig) {
		var oResult = _merge({}, oTarget, oCurrentConfig);
		// concat i18n properties to avoid override
		oResult.i18n = [].concat(oTarget.i18n || [], oCurrentConfig.i18n || []);
		return oResult;
	}
Whether there is an error in one of the nested editors
@since 1.96.0