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1. ash.matadeen
   Member
   Posted 1 year ago #

   I have just uploaded a site to my server and I'm getting this error in relation to plugin.php

   Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'cp_admin_init' was given in /.../html/.../wp-includes/plugin.php on line 395

   Any clues as to what this means? Oddly enough, the same site runs just fine if I run it on my computer with MAMP.

   Line 395 of plugin.php consists of:

   do {
   		foreach ( (array) current($wp_filter[$tag]) as $the_ )
   			if ( !is_null($the_['function']) )
   				call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));
   
   	} while ( next($wp_filter[$tag]) !== false );

2. kesh
   Member
   Posted 1 year ago #

   I'm having this same problem and it's driving me crazy. Anyone know?

3. ash.matadeen
   Member
   Posted 1 year ago #

   Hi Kesh,

   It turned out that the cause of this problem was a function call in my theme's functions.php file. Check if you have this line in your theme's functions.php:

   add_action('init', 'cp_admin_init');

   I'm not sure what it does but it came with the theme I was working with. Comment it out and see if it solves the problem. It worked for me.

4. edwinkort
   Member
   Posted 1 year ago #

   Getting the same error after trying to create custom posts with changing functions.php. Using arras theme.
   Everything works, but showing the mentioned error everywhere :(

5. AndyiBM
   Member
   Posted 11 months ago #

   I've just installed 3.2 and I've started getting the error ONLY on the 'Widgets' screen.

   I don't the add_action line of code (from ash.matadeen above) in my functions.php file.

   I deactivated all plugins, and the error cleared.

   Reactivated one at a time, and found the offending plugin. Informed the plugin author.

6. corizzo
   Member
   Posted 10 months ago #

   AndyiBM- which plugin?

7. AndyiBM
   Member
   Posted 10 months ago #

   hey Corizzo, It's the WYSIWYG Widget. Danny has now fixed it for 3.2

8. Funstacy
   Member
   Posted 10 months ago #

   weird, I removed that line too and it worked. Thanks for the tip ash.matadeen

9. jboontje
   Member
   Posted 10 months ago #

   Thanks! Commented a certain line out and it worked.

   My theme started giving this error after updating to WordPress 3.2.1, and the problem was not caused by a plugin I had installed (even though it mentions the plugin.php file in the error code)

10. jhoffm34
    Member
    Posted 10 months ago #

    jboontje which line did you comment out, I'm having the same problem after updating to 3.2.1

11. SVP1971
    Member
    Posted 9 months ago #

    I'm having this same problem and it's driving me crazy. Anyone know?
    HELP........

    Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'wp_maybe_load_embeds' was given in /home/perureg/public_html/wp-includes/plugin.php on line 395

    THANKS

12. kumar
    Member
    Posted 9 months ago #

    Hi all
    i am Getting a warning at every page footer area

    Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'mp_footer' not found or invalid function name in D:\xampp\htdocs\wp-test\wp-includes\plugin.php on line 395

    can any one please tell me how to remove this warning

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