I have an error code on the K2 Login module and also can't add new item on the same error code:

Notice: Undefined variable: children in /home/Domain_Name/public_html/Website/modules/mod_k2_login/helper.php on line 97

May I have your advise?

This is a notice. If the site is working correctly turn error reporting off in joomla global settings server tab and the notice should be suppressed

thx for ur reply and my reporting was turn off, any other advise for such issue?

i don't think that the code has any problem:

if(K2_JVERSION=='16'){
$items = JHTML::_('menu.treerecurse', 1, '', array(), $children, 9999, 0, 0 );
}
else {
$items = JHTML::_('menu.treerecurse', 0, '', array(), $children, 9999, 0, 0 );
}

However, while I tried to change it like this

if(K2_JVERSION=='16'){
@$items = JHTML::_('menu.treerecurse', 1, '', array(), $children, 9999, 0, 0 );
}
else {
@$items = JHTML::_('menu.treerecurse', 0, '', array(), $children, 9999, 0, 0 );
}

The error disappeared in login module, but after i pressed the "add new item", it was blank page.

It was fixed yesterday, download fresh K2 installation package

hahah, yes the error code disappeared after installed the update.
but while i pressed "add new item", blank and nothing occur.
pls help... :(

just tested in different explorer:

in the google chrome, pressed "add new item", blank page loaded;

in the IE, pressed "add new item",
img src="<br /> <b>Fatal error</b>: Call to undefined method K2ModelItem::getUserProfile() in <b>/domain/components/com_k2/helpers/utilities.php</b> on line <b>42</b><br />

Besides add item, i even can't add categories in front end, pls help and advise.

Is this issue is fixed?I'm also getting same error in the user module.

Using Joomla 1.5.24 and K2 v2.5.4.

I'm getting following error in K2 user and login module after login. Also, i'm seeing "Add new item" link.

Notice: Undefined variable: children in /home/content/xx/xxxxxxx/html/modules/mod_k2_user/helper.php on line 97

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Notice: Undefined variable: children in /home/content/45/7412145/html/modules/mod_k2_user/helper.php on line 97
test
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i write that here too in that topic:

"bug" is still present...

It was declared as "fixed" in the bugtracker but that's not true :unsure:

code.google.com/p/getk2/issues/detail?can=1&start=0&num=100&q=children&colspec=ID%20Type%20Status%20Priority%20Owner%20Summary%20Opened&groupby=&sort=&id=109

(and turning off error reporting is not a solution ;) )