На сайте появились ошибки - Joomla 2.5: Общие вопросы

В админке:
Deprecated: iconv_set_encoding(): Use of iconv.internal_encoding is deprecated in /home/ba4ik144/public_html/libraries/joomla/string/string.php on line 28

Deprecated: iconv_set_encoding(): Use of iconv.input_encoding is deprecated in /home/ba4ik144/public_html/libraries/joomla/string/string.php on line 29

Deprecated: iconv_set_encoding(): Use of iconv.output_encoding is deprecated in /home/ba4ik144/public_html/libraries/joomla/string/string.php on line 30

На лицевой часте:

Deprecated: iconv_set_encoding(): Use of iconv.internal_encoding is deprecated in /home/ba4ik144/public_html/libraries/joomla/string/string.php on line 28

Deprecated: iconv_set_encoding(): Use of iconv.input_encoding is deprecated in /home/ba4ik144/public_html/libraries/joomla/string/string.php on line 29

Deprecated: iconv_set_encoding(): Use of iconv.output_encoding is deprecated in /home/ba4ik144/public_html/libraries/joomla/string/string.php on line 30

Strict Standards: Only variables should be assigned by reference in /home/ba4ik144/public_html/templates/callie_rush/vertex/cms_core_functions.php on line 4

Strict Standards: Only variables should be assigned by reference in /home/ba4ik144/public_html/templates/callie_rush/vertex/cms_core_functions.php on line 8
Strict Standards: Only variables should be assigned by reference in /home/ba4ik144/public_html/templates/callie_rush/vertex/cms_core_functions.php on line 23
xml:lang="ru-RU" lang="ru-RU" >
Strict Standards: Only variables should be assigned by reference in /home/ba4ik144/public_html/templates/callie_rush/vertex/call_menu.php on line 3

Strict Standards: Only variables should be assigned by reference in /home/ba4ik144/public_html/templates/callie_rush/vertex/call_menu.php on line 8


Подскажите из за чего такое может быть и как поправить?