Title: widget ‘save changes’ error
Last modified: August 18, 2016

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# widget ‘save changes’ error

 *  [mpm](https://wordpress.org/support/users/mpm/)
 * (@mpm)
 * [18 years, 11 months ago](https://wordpress.org/support/topic/widget-save-changes-error/)
 * I get this error:
 * Warning: Cannot modify header information – headers already sent by (output started
   at /xxx/xxxx/xxxx/xxxx/wp-admin/admin-header.php:16) in /xxxx/xxxxx/xxxxx/xxxx/
   wp-includes/functions.php on line 1219
 * when I try and save the widget changes for the sidebar.

Viewing 1 replies (of 1 total)

 *  Thread Starter [mpm](https://wordpress.org/support/users/mpm/)
 * (@mpm)
 * [18 years, 11 months ago](https://wordpress.org/support/topic/widget-save-changes-error/#post-573799)
 * And now on my blog page I get this error:
 * Warning: array_merge() [function.array-merge]: Argument #2 is not an array in/
   xxxx/xxxx/xxxx/xxxx/wp-content/plugins/widgets/widgets.php on line 155
 * [http://300.mpm.org.au](http://300.mpm.org.au)

Viewing 1 replies (of 1 total)

The topic ‘widget ‘save changes’ error’ is closed to new replies.

## Tags

 * [header](https://wordpress.org/support/topic-tag/header/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 1 reply
 * 1 participant
 * Last reply from: [mpm](https://wordpress.org/support/users/mpm/)
 * Last activity: [18 years, 11 months ago](https://wordpress.org/support/topic/widget-save-changes-error/#post-573799)
 * Status: not resolved

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