hello,
i got problem with my k2. i was unable to add link to my blog (k2). i am using ja social theme and i found that when i try to add item from front end, i got this {#advanced_dlg.link_title},{#advanced_dlg.link_url}  and others. after i google i cannot find any hint. 

pst : it happen after i disable optimize css in Ja Social, after i enable, the problem remain in k2.

hello? anyone? thanks for your kind help :)

Please turn error reporting to highest in joomla global settings, and supply a link to the offending page along with any error message that is generated.

here the error in system debug.
index.php?option=com_k2&view=itemlist&task=user&id=62
•Untranslated Strings Diagnostic•

  JAMenuBase::genMenuItem() [/home/gnome/public_html/plugins/system/jat3/core/menu/base.class.php:557]
  JAMenuBase::genMenuItem() [/home/gnome/public_html/plugins/system/jat3/core/menu/base.class.php:557]
DELETE FAILED JFile::delete() [/home/gnome/public_html/plugins/system/jat3/core/head.php:374]
HOT JAMenuBase::genMenuItem() [/home/gnome/public_html/plugins/system/jat3/core/menu/base.class.php:557]
LAST UPDATE ::include() [/home/gnome/public_html/plugins/system/jat3/core/template.php:157]
LOGOUT ::require() [/home/gnome/public_html/modules/mod_jomsocialconnect/mod_jomsocialconnect.php:25]
POST DATE ::include() [/home/gnome/public_html/plugins/system/jat3/core/joomla/view.php:564]
POST DATE ::include() [/home/gnome/public_html/plugins/system/jat3/core/joomla/view.php:564]
TOP ::include() [/home/gnome/public_html/plugins/system/jat3/core/template.php:157]

•Untranslated Strings Designer•

# /home/gnome/public_html/plugins/system/jat3/core/menu/base.class.php

 =
HOT=Hot

# /home/gnome/public_html/plugins/system/jat3/core/head.php

DELETE FAILED=Delete failed

# /home/gnome/public_html/plugins/system/jat3/core/template.php

LAST UPDATE=Last update
TOP=Top

# /home/gnome/public_html/modules/mod_jomsocialconnect/mod_jomsocialconnect.php

LOGOUT=Logout

# /home/gnome/public_html/plugins/system/jat3/core/joomla/view.php

POST DATE=Post date

after i click add item at index.php?option=com_k2&view=item&task=add&tmpl=component

•Untranslated Strings Diagnostic•

ALREADY EXISTS plgButtonReadmore::onDisplay() [/home/gnome/public_html/libraries/joomla/html/editor.php:268]

•Untranslated Strings Designer•

# /home/gnome/public_html/libraries/joomla/html/editor.php

ALREADY EXISTS=ALREADY EXISTS