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Wordpress Themes - WP Forum at BFA » WordPress Themes » Atahualpa 3 Wordpress theme » Installation/Upgrade Issues »

Warning: call_user_func_array()

Old Jan 26, 2017, 09:18 AM
20 posts · Jul 2009
I noticed after upgrading to the latest version of WP, 4.7.1, that I now have a warning at the top of the page for one of my sites. The message is: "Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /home/ciportnechestx/public_html/wp-includes/class-wp-hook.php on line 298"

Has anyone seen this issue before before? I have other websites that use the same theme version (v3.7.24) and WP v4.7.1 without this issue. I'm still in the process of troubleshooting plugin compatibility issues but all the plugins are fairly well used between the different sites as well.

Thanks in advance.

Last edited by juggledad; Jan 26, 2017 at 11:55 AM.
Old Jan 26, 2017, 11:55 AM
juggledad's Avatar
23,700 posts · Mar 2009
OSX 10.11.5 WP 4.x Atahualpa(all) Safari, Firefox, Chrome
I haven't seen it in any of my sites - I would suspect a plugin.

The only other thing I'd ask is are the other sites on the same server? if not there might be a PHP version difference.

I don't think either of teh patches would be the cause but you might want to install the two Atahualpa 3.7.24 patches
PATCH 3724-01: Custom Menu/SubMenu issue after upgrading to WP 4.4
PATCH 3724-02: Full width headers cause sticky footer to appear below bottom of page

NOTE: I edited your post and changed the WP versionfrom 7.4.1 to 4.7.1 (grin)
"Tell me and I forget, teach me and I may remember, involve me and I learn." - Benjamin Franklin
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