Title: Errors when duplicating
Last modified: August 11, 2017

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# Errors when duplicating

 *  Resolved [IanFox](https://wordpress.org/support/users/ianfox/)
 * (@ianfox)
 * [8 years, 7 months ago](https://wordpress.org/support/topic/errors-when-duplicating/)
 * Hi,
 * When testing the plugin I’ve got several errors (when running in Debug mode) 
   when duplicating a post.
 * User has user role “Administrator” on site where he’s duplicating FROM.
    User
   has user role “Contributor” on site where he’s duplicating TO.
 * I left out the stack trace information to not clutter the list.
 * Warning: copy(): Filename cannot be empty in D:\One\DEVCO_Blogging_Platform\web\
   wp-content\plugins\multisite-post-duplicator\inc\mpd-functions.php on line 333
 * Notice: Undefined index: query in D:\One\DEVCO_Blogging_Platform\web\wp-content\
   plugins\multisite-post-duplicator\inc\mpd-functions.php on line 710
 * Notice: Undefined index: post in D:\One\DEVCO_Blogging_Platform\web\wp-content\
   plugins\multisite-post-duplicator\inc\mpd-functions.php on line 717
 * Warning: Missing argument 3 for mpd_set_featured_image_to_destination(), called
   in D:\One\DEVCO_Blogging_Platform\web\wp-content\plugins\multisite-post-duplicator\
   inc\core.php on line 308 and defined in D:\One\DEVCO_Blogging_Platform\web\wp-
   content\plugins\multisite-post-duplicator\inc\mpd-functions.php on line 278
 * Notice: Undefined variable: source_blog_id in D:\One\DEVCO_Blogging_Platform\
   web\wp-content\plugins\multisite-post-duplicator\inc\mpd-functions.php on line
   301
 * Warning: copy(): Filename cannot be empty in D:\One\DEVCO_Blogging_Platform\web\
   wp-content\plugins\multisite-post-duplicator\inc\mpd-functions.php on line 333
 * Notice: Undefined variable: source_blog_id in D:\One\DEVCO_Blogging_Platform\
   web\wp-content\plugins\multisite-post-duplicator\inc\mpd-functions.php on line
   371
 * Notice: Undefined index: query in D:\One\DEVCO_Blogging_Platform\web\wp-content\
   plugins\multisite-post-duplicator\inc\mpd-functions.php on line 710
 * Notice: Undefined index: post in D:\One\DEVCO_Blogging_Platform\web\wp-content\
   plugins\multisite-post-duplicator\inc\mpd-functions.php on line 717
 * Warning: Cannot modify header information – headers already sent by (output started
   at D:\One\DEVCO_Blogging_Platform\web\wp-content\plugins\multisite-post-duplicator\
   inc\mpd-functions.php:333) in D:\One\DEVCO_Blogging_Platform\web\wp-admin\post.
   php on line 197
 * Warning: Cannot modify header information – headers already sent by (output started
   at D:\One\DEVCO_Blogging_Platform\web\wp-content\plugins\multisite-post-duplicator\
   inc\mpd-functions.php:333) in D:\One\DEVCO_Blogging_Platform\web\wp-includes\
   pluggable.php on line 1210
 * But these last two are probably because of the errors being thrown.

Viewing 1 replies (of 1 total)

 *  Plugin Author [MagicStick](https://wordpress.org/support/users/magicstick/)
 * (@magicstick)
 * [8 years, 7 months ago](https://wordpress.org/support/topic/errors-when-duplicating/#post-9402885)
 * thanks for the info mate. I’ll cover these warnings in the next release.
    -  This reply was modified 8 years, 7 months ago by [MagicStick](https://wordpress.org/support/users/magicstick/).

Viewing 1 replies (of 1 total)

The topic ‘Errors when duplicating’ is closed to new replies.

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## Tags

 * [bugs](https://wordpress.org/support/topic-tag/bugs/)
 * [missing code](https://wordpress.org/support/topic-tag/missing-code/)

 * 1 reply
 * 2 participants
 * Last reply from: [MagicStick](https://wordpress.org/support/users/magicstick/)
 * Last activity: [8 years, 7 months ago](https://wordpress.org/support/topic/errors-when-duplicating/#post-9402885)
 * Status: resolved