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1. Digital Raindrops
   Member
   Posted 1 year ago #

   I have just started getting this message.

   No Plugins are activated but all up to date, WordPress version is also up to date.

   LocalHost (WAMP)
   Theme 2010
   Debug Mode = True

   Where, Posts > Posts > Edit > Insert Media > Library

   I was not getting this the weekend.

   Recent Plugin Updates:
   Only Plugin Theme Check was active and updated to: Version 20110201.1
   Now deactivated but the message still happens?

   Anyone else?

   Full Error:
   

   Notice: Trying to get property of non-object in D:\wamp\www\wordpress\wp-includes\link-template.php on line 309
   Call Stack
   #	Time	Memory	Function	Location
   1	0.0016	410384	{main}( )	..\media-upload.php:0
   2	0.4581	21910864	do_action( )	..\media-upload.php:120
   3	0.4582	21911736	call_user_func_array ( )	..\plugin.php:395
   4	0.4582	21911752	media_upload_library( )	..\plugin.php:0
   5	0.4582	21911944	wp_iframe( )	..\media.php:801
   6	0.4740	21928088	call_user_func_array ( )	..\media.php:338
   7	0.4740	21928272	media_upload_library_form( )	..\media.php:0
   8	0.5458	22053448	get_media_items( )	..\media.php:1992
   9	0.6657	22096632	get_media_item( )	..\media.php:1140
   10	0.6813	22103816	get_attachment_fields_to_edit( )	..\media.php:1187
   11	0.6868	22107240	image_link_input_fields( )	..\media.php:1064
   12	0.6888	22107344	get_attachment_link( )	..\media.php:899

   Stuck with this one, I did read about this being caused by a null index isset() but the post was quite old, Googled and not much help there!

   Is there a log file or any plugin / process that would give more information?

   EDIT:
   Looked into the file and it looks like $parent is not being set?
   link-template.php on line 308 - 309
   

   $parent = get_post($object->post_parent);
   if ( 'page' == $parent->post_type )

   Regards

   David

2. Simon Prosser
   Member
   Posted 1 year ago #

   I cannot reproduce this.
   I cant see how theme-check can still cause an error when deactivated.

3. Digital Raindrops
   Member
   Posted 1 year ago #

   Hi Simon,
   It must be something else, it looks like $object->post_parent

   I Thought of theme check as that is the only thing updated since the weekend, and I have been using the library testing a plugin.

   I did load a plugin once that changed some core files and added in a function, I was not sure if a plugin had altered core files.

   I have just reinstalled WordPress from the updates screen and still getting it!

   David!

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