Title: Error message
Last modified: August 19, 2016

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# Error message

 *  [fallharvest](https://wordpress.org/support/users/fallharvest/)
 * (@fallharvest)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/error-message-80/)
 * I do not know the version –
    I tried to upgrade and received the following
 * Fatal error: Call to undefined function is_network_admin() in /home/fallharv/
   public_html/wp-admin/admin-header.php on line 16
 *  can someone offer a solution –

Viewing 1 replies (of 1 total)

 *  [Samuel B](https://wordpress.org/support/users/samboll/)
 * (@samboll)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/error-message-80/#post-1997883)
 * it seems you got an incomplete upload
    you will need to manually upgrade [http://codex.wordpress.org/Upgrading_WordPress_Extended](http://codex.wordpress.org/Upgrading_WordPress_Extended)

Viewing 1 replies (of 1 total)

The topic ‘Error message’ is closed to new replies.

## Tags

 * [undefined function](https://wordpress.org/support/topic-tag/undefined-function/)
 * [upgrade](https://wordpress.org/support/topic-tag/upgrade/)

 * In: [Installing WordPress](https://wordpress.org/support/forum/installation/)
 * 1 reply
 * 2 participants
 * Last reply from: [Samuel B](https://wordpress.org/support/users/samboll/)
 * Last activity: [15 years, 2 months ago](https://wordpress.org/support/topic/error-message-80/#post-1997883)
 * Status: not resolved

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