Title: PHP Warnings generated
Last modified: August 21, 2016

---

# PHP Warnings generated

 *  Resolved [nbquidditch](https://wordpress.org/support/users/nbquidditch/)
 * (@nbquidditch)
 * [12 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-generated/)
 * I’ve installed ACF and vffa and am experiencing the following warnings;any suggestions?:
 * Warning: include_once() [function.include-once]: Unable to access /home/waterway/
   public_html/alrewasplan.co.uk/wp-content/plugins/validated-field-for-acf/../advanced-
   custom-fields/core/fields/acf_field.php in /home/waterway/public_html/alrewasplan.
   co.uk/wp-content/plugins/validated-field-for-acf/validated_field.php on line 
   12
 * Warning: include_once(/home/waterway/public_html/alrewasplan.co.uk/wp-content/
   plugins/validated-field-for-acf/../advanced-custom-fields/core/fields/acf_field.
   php) [function.include-once]: failed to open stream: No such file or directory
   in /home/waterway/public_html/alrewasplan.co.uk/wp-content/plugins/validated-
   field-for-acf/validated_field.php on line 12
 * Warning: include_once() [function.include]: Failed opening ‘/home/waterway/public_html/
   alrewasplan.co.uk/wp-content/plugins/validated-field-for-acf/../advanced-custom-
   fields/core/fields/acf_field.php’ for inclusion (include_path=’.:/usr/lib/php:/
   usr/local/lib/php’) in /home/waterway/public_html/alrewasplan.co.uk/wp-content/
   plugins/validated-field-for-acf/validated_field.php on line 12
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/waterway/public_html/alrewasplan.co.uk/wp-content/plugins/validated-
   field-for-acf/validated_field.php:12) in /home/waterway/public_html/alrewasplan.
   co.uk/wp-includes/pluggable.php on line 875
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/waterway/public_html/alrewasplan.co.uk/wp-content/plugins/validated-
   field-for-acf/validated_field.php:12) in /home/waterway/public_html/alrewasplan.
   co.uk/wp-includes/pluggable.php on line 875
 * [http://wordpress.org/plugins/validated-field-for-acf/](http://wordpress.org/plugins/validated-field-for-acf/)

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

 *  [jyobhati](https://wordpress.org/support/users/jyobhati/)
 * (@jyobhati)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/php-warnings-generated/#post-4143687)
 * The file acf_field.php has been renamed to _base.php. So you must include this
   file now.
 *  [donleona](https://wordpress.org/support/users/donleona/)
 * (@donleona)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/php-warnings-generated/#post-4143688)
 * Hi there!
 * I had the same errors but changing the acf_field.php with _base.php cleared up
   the problem. However, nothing is happening after installing and activating this
   plugin.
 * Any ideas?
 *  Plugin Author [doublesharp](https://wordpress.org/support/users/doublesharp/)
 * (@doublesharp)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/php-warnings-generated/#post-4143696)
 * [@donleona](https://wordpress.org/support/users/donleona/) & [@jyobhati](https://wordpress.org/support/users/jyobhati/)
   I have upgraded the plugin to support ACF 4.x+ which should clear up the issue
   above.
 * Thanks!

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

The topic ‘PHP Warnings generated’ is closed to new replies.

 * ![](https://ps.w.org/validated-field-for-acf/assets/icon-256x256.png?rev=1116693)
 * [Advanced Custom Fields: Validated Field](https://wordpress.org/plugins/validated-field-for-acf/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/validated-field-for-acf/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/validated-field-for-acf/)
 * [Active Topics](https://wordpress.org/support/plugin/validated-field-for-acf/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/validated-field-for-acf/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/validated-field-for-acf/reviews/)

 * 3 replies
 * 4 participants
 * Last reply from: [doublesharp](https://wordpress.org/support/users/doublesharp/)
 * Last activity: [12 years, 4 months ago](https://wordpress.org/support/topic/php-warnings-generated/#post-4143696)
 * Status: resolved