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1. vvillanova
   Member
   Posted 5 months ago #

   When editing a post and click on the "Flickr Photos" link, the window comes up, but within it, a "Warning: call_user_func_array()" message appears (see screenshot of error message here):

   Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'SlickrPlugin::upload_tabs_scripts' was given in /home/thewo32/public_html/hiremydog/wp-includes/plugin.php on line 339

   Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'media_admin_css' was given in /home/thewo32/public_html/hiremydog/wp-includes/plugin.php on line 339

   I have no idea what is causing this.
   - Post options have been changed to /year/month/day/
   - Lightbox2 is installed and activated
   - Slickr Gallery's root folder is unchanged (slickr-gallery)

   Any input is welcome, as I am completely stumped after two days of troubleshooting. Thanks.

2. zeroenergyvt
   Member
   Posted 3 months ago #

   I am having the same problem. It works but the lightbox pop up us ugly and unformatted with the error.

3. ilkrgz
   Member
   Posted 3 months ago #

   I have same problem. Version is 2.8.2

   Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'media_admin_css' was given in .../wp-includes/plugin.php on line 339

4. crismdq
   Member
   Posted 3 months ago #

   Same problem here. Anyone got a fix?

5. Taipa
   Member
   Posted 1 month ago #

   I have the same error. WP 2.8.4, Lightbox2 installed.

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