Title: WARNING and Errors! on upload
Last modified: August 20, 2016

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# WARNING and Errors! on upload

 *  Resolved [aviles26](https://wordpress.org/support/users/aviles26/)
 * (@aviles26)
 * [14 years, 7 months ago](https://wordpress.org/support/topic/warning-and-errors-on-upload/)
 * Hi All,
 * I have recently moved my installation from local to live server and are now getting
   2 errors that I cant seem to understand. All help is GREATLY appreciate it. I
   am panicking!
 * here are the errors:
 * Warning: call_user_func_array() [function.call-user-func-array]: First argument
   is expected to be a valid callback, ‘gallery_slider’ was given in /home/daviles1/
   public_html/avidsg.com/wp-includes/plugin.php on line 405
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/daviles1/public_html/avidsg.com/wp-includes/plugin.php:405) in /home/
   daviles1/public_html/avidsg.com/wp-includes/pluggable.php on line 934

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Thread Starter [aviles26](https://wordpress.org/support/users/aviles26/)
 * (@aviles26)
 * [14 years, 7 months ago](https://wordpress.org/support/topic/warning-and-errors-on-upload/#post-2331307)
 * here is a link: [avidsg.com](http://www.avidsg.com)
 *  Thread Starter [aviles26](https://wordpress.org/support/users/aviles26/)
 * (@aviles26)
 * [14 years, 7 months ago](https://wordpress.org/support/topic/warning-and-errors-on-upload/#post-2331309)
 * any thoughts are welcome- thanks in advanced
 *  Thread Starter [aviles26](https://wordpress.org/support/users/aviles26/)
 * (@aviles26)
 * [14 years, 7 months ago](https://wordpress.org/support/topic/warning-and-errors-on-upload/#post-2331526)
 * forgot a semi-colon thought i would update this. couldnt figure what was wrong
   code was perfect haha

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘WARNING and Errors! on upload’ is closed to new replies.

## Tags

 * [errors](https://wordpress.org/support/topic-tag/errors/)
 * [warnings](https://wordpress.org/support/topic-tag/warnings/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 1 participant
 * Last reply from: [aviles26](https://wordpress.org/support/users/aviles26/)
 * Last activity: [14 years, 7 months ago](https://wordpress.org/support/topic/warning-and-errors-on-upload/#post-2331526)
 * Status: resolved

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