Title: Suandi's Replies | WordPress.org

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# Suandi

  [  ](https://wordpress.org/support/users/nomadentech/)

 *   [Profile](https://wordpress.org/support/users/nomadentech/)
 *   [Topics Started](https://wordpress.org/support/users/nomadentech/topics/)
 *   [Replies Created](https://wordpress.org/support/users/nomadentech/replies/)
 *   [Reviews Written](https://wordpress.org/support/users/nomadentech/reviews/)
 *   [Topics Replied To](https://wordpress.org/support/users/nomadentech/replied-to/)
 *   [Engagements](https://wordpress.org/support/users/nomadentech/engagements/)
 *   [Favorites](https://wordpress.org/support/users/nomadentech/favorites/)

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## Forum Replies Created

Viewing 1 replies (of 1 total)

 *   Forum: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
   
   In reply to: [Error on Upgrade to WordPress 3.5](https://wordpress.org/support/topic/error-on-upgrade-to-wordpress-35/)
 *  [Suandi](https://wordpress.org/support/users/nomadentech/)
 * (@nomadentech)
 * [13 years, 6 months ago](https://wordpress.org/support/topic/error-on-upgrade-to-wordpress-35/#post-3275466)
 * Hi esmi, can you help me?
    I’ve a client, they upgrading wordpress to the newest
   version without backup the file at first and then when they getting an error 
   while upgrading process they restore to the previous version. The problem is 
   unable to access wp-admin with error Fatal error: Allowed memory size of 262144
   bytes exhausted i have tried to googled the solutions and already tried to increase
   memori limit. They said they use newest WP Database with previous WP Version.
 * I have tried to Upgrading manually and then getting an error “Fatal error: Call
   to a member function register_handler() on a non-object” and i’ve tried your 
   suggestion to deactivated all the plugin and also the template but it still doesn’t
   work.
 * Hope this problem can be solved soon!
 * Thanks in advanced and sorry for my bad english ;).
 * Regards,
    Teguh

Viewing 1 replies (of 1 total)