Title: Fatal error
Last modified: August 18, 2016

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# Fatal error

 *  [photoguy](https://wordpress.org/support/users/photoguy/)
 * (@photoguy)
 * [19 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-1-6/)
 * I have upgraded to 2.0 from 1.5 and I am now getting error messages when I try
   to log in or post a comment.
    Fatal error: Call to undefined function: wp_get_current_user()
   in /homepages/16/d101629197/htdocs/blog/wp-comments-post.php on line 27 Fatal
   error: Call to undefined function: wp_get_cookie_login() in /homepages/16/d101629197/
   htdocs/blog/wp-login.php on line 180
 * ANY IDEAS WHAT IS HAPPENING HERE?

Viewing 1 replies (of 1 total)

 *  [Michael Bishop](https://wordpress.org/support/users/miklb/)
 * (@miklb)
 * [19 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-1-6/#post-493558)
 * Are you running any plugins that deal with user level/ roles and capabilities?
   This system was drastically altered in 2.x

Viewing 1 replies (of 1 total)

The topic ‘Fatal error’ is closed to new replies.

 * In: [Installing WordPress](https://wordpress.org/support/forum/installation/)
 * 1 reply
 * 2 participants
 * Last reply from: [Michael Bishop](https://wordpress.org/support/users/miklb/)
 * Last activity: [19 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-1-6/#post-493558)
 * Status: not resolved

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