call_user_func_array() Cannot modify header information

  • SRD75

    (@srd75)


    11 years, 3 months ago

    Running a WordPress 4.1 network in subdir mode. No errors in network admin, but in child site admin, I receive the following errors:

    Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'add_admin_scripts' not found or invalid function name in /.../public_html/test/wp-includes/plugin.php on line 496

Warning: Cannot modify header information - headers already sent by (output started at /.../public_html/test/wp-includes/plugin.php:496) in /.../public_html/test/wp-includes/option.php on line 748

Warning: Cannot modify header information - headers already sent by (output started at /.../public_html/test/wp-includes/plugin.php:496) in /.../public_html/test/wp-includes/option.php on line 749
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  • Thread Starter SRD75

    (@srd75)

    11 years, 3 months ago

    /wp-admin/error_log contains multiple instances of the following:

    [03-Feb-2015 04:30:52 UTC] PHP Warning:  call_user_func_array() expects parameter 1 to be a valid callback, function 'add_admin_scripts' not found or invalid function name in /.../public_html/test/wp-includes/plugin.php on line 496
[03-Feb-2015 04:30:52 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /.../public_html/test/wp-includes/plugin.php:496) in /.../public_html/test/wp-includes/option.php on line 748
[03-Feb-2015 04:30:52 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /.../public_html/test/wp-includes/plugin.php:496) in /.../public_html/test/wp-includes/option.php on line 749
Viewing 1 replies (of 1 total)

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