Title: Exception error
Last modified: March 31, 2021

---

# Exception error

 *  Resolved [roltapdat](https://wordpress.org/support/users/roltapdat/)
 * (@roltapdat)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/exception-error-2/)
 * Hello all,
 * I am trying to migrate my webite to a new host using Duplicator plugin. I get
   the error below while trying to install it on the new host.
 * Help to resolve this will be much appreciated.
 * Thank you
 * INSTALLER ERROR:
    Archive parameter not specified
 * [PHP ERR][NOTICE] MSG:Undefined index: DUPX_STATE [CODE:8|FILE:/home/natuvxxa/
   public_html/dup-installer/main.installer.php|LINE:335]
    [PHP ERR][NOTICE] MSG:
   Trying to get property ‘mode’ of non-object [CODE:8|FILE:/home/natuvxxa/public_html/
   dup-installer/main.installer.php|LINE:335] ————————————– EXCEPTION: Archive parameter
   not specified TRACE: #0 /home/natuvxxa/public_html/dup-installer/main.installer.
   php(141): DUPX_Log::error(‘Archive paramet…’) #1 {main} ————————————– [PHP ERR][
   NOTICE] MSG:Undefined index: NOW_TIME [CODE:8|FILE:/home/natuvxxa/public_html/
   dup-installer/classes/class.view.php|LINE:21] [PHP ERR][NOTICE] MSG:Undefined
   index: NOW_TIME [CODE:8|FILE:/home/natuvxxa/public_html/dup-installer/classes/
   class.view.php|LINE:21]
 *     ```
       [31-Mar-2021 06:12:56 America/New_York] PHP Warning:  require_once(/home/natuvxxa/public_html/classes/config/class.boot.php): failed to open stream: No such file or directory in /home/natuvxxa/public_html/main.installer.php on line 52
       [31-Mar-2021 06:12:56 America/New_York] PHP Fatal error:  require_once(): Failed opening required '/home/natuvxxa/public_html/classes/config/class.boot.php' (include_path='.:/opt/alt/php72/usr/share/pear') in /home/natuvxxa/public_html/main.installer.php on line 52
       [31-Mar-2021 06:13:05 America/New_York] PHP Warning:  require_once(/home/natuvxxa/public_html/classes/config/class.boot.php): failed to open stream: No such file or directory in /home/natuvxxa/public_html/main.installer.php on line 52
       [31-Mar-2021 06:13:05 America/New_York] PHP Fatal error:  require_once(): Failed opening required '/home/natuvxxa/public_html/classes/config/class.boot.php' (include_path='.:/opt/alt/php72/usr/share/pear') in /home/natuvxxa/public_html/main.installer.php on line 52
       ```
   

Viewing 1 replies (of 1 total)

 *  [Cory Lamle](https://wordpress.org/support/users/corylamleorg/)
 * (@corylamleorg)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/exception-error-2/#post-14261503)
 * Hey [@roltapdat](https://wordpress.org/support/users/roltapdat/),
 * There is a fix for that issue in an upcoming version. If you would like to try
   it out now, you can download a copy of the updated plugin here:
 * [https://www.filemail.com/d/lnpdesrcapvlrxm](https://www.filemail.com/d/lnpdesrcapvlrxm)
 * Let me know if this helps~

Viewing 1 replies (of 1 total)

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

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## Tags

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

 * 1 reply
 * 2 participants
 * Last reply from: [Cory Lamle](https://wordpress.org/support/users/corylamleorg/)
 * Last activity: [5 years, 2 months ago](https://wordpress.org/support/topic/exception-error-2/#post-14261503)
 * Status: resolved