the following message will be displayed. (Dashboard, Latest data, Trigger, Event, Screen and more )

ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:312 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:312 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:326 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:326 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:340 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:340 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:365 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:365 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:389 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:389 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:412 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:412 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:435 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:435 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:458 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:458 ? CTag->setMenuPopup() ? CTag->attr() ? CTag->setAttribute() ? CHtml::serialize() ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:530 ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:137]
ini_set(): Use of mbstring.internal_encoding is deprecated [dashboard.php:530 ? CJs::encodeJson() ? CJSON->encode() ? ini_set() in /usr/share/zabbix/include/classes/class.cjson.php:161]