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1. iPod
   Member
   Posted 3 years ago #

   Hello,

   I have a problem since I upgraded to WP 2.7.1 and that is this warning on the very top of my frontpage.

   Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'addHeaderCode' was given in /public_html/wp-includes/plugin.php on line 339

   And I dont know where to start or end my search for the problem...

   http://kulturspegeln.se

   Please help if you can ;-)

2. kmessinger
   Member
   Posted 3 years ago #

   This script in your header file is the culprit.
   <b>Warning</b>: call_user_func_array() [<a href='function.call-user-func-array'>function.call-user-func-array</a>]: First argument is expected to be a valid callback, 'addHeaderCode' was given in <b>/home2/kultursp/public_html/wp-includes/plugin.php</b> on line <b>339</b><br />

3. Shane G
   Member
   Posted 3 years ago #

   Hi,

   It seems that this is an error due to some plugins.kindly check with your installed plugins and remove all unwanted plugins from the blog.

   Thanks,

   Shane G.

4. semper tiro
   Member
   Posted 3 years ago #

   For me, it was

   WordPress PHP Info

   that caused the problem.

5. RobinInTexas
   Member
   Posted 3 years ago #

   Deactivating PHP Info fixed my problem as well.

   Thanks Semper.

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