Title: Uncaught Error: Call to undefined function plugin_basename()
Last modified: May 9, 2017

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# Uncaught Error: Call to undefined function plugin_basename()

 *  [cwolff](https://wordpress.org/support/users/cwolff/)
 * (@cwolff)
 * [9 years, 1 month ago](https://wordpress.org/support/topic/uncaught-error-call-to-undefined-function-plugin_basename-2/)
 * Getting the following errors on my sites that use Contact Form 7:
 * [08-May-2017 22:46:04 America/Tegucigalpa] PHP Fatal error: Uncaught Error: Call
   to undefined function plugin_basename() in E:\trialcourts\trial-courts-cms\wp-
   content\plugins\contact-form-7\wp-contact-form-7.php:19
    Stack trace: #0 {main}
   thrown in E:\trialcourts\trial-courts-cms\wp-content\plugins\contact-form-7\wp-
   contact-form-7.php on line 19

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

 *  Plugin Author [Takayuki Miyoshi](https://wordpress.org/support/users/takayukister/)
 * (@takayukister)
 * [9 years, 1 month ago](https://wordpress.org/support/topic/uncaught-error-call-to-undefined-function-plugin_basename-2/#post-9113303)
 * What other plugins and theme do you use?
 *  Thread Starter [cwolff](https://wordpress.org/support/users/cwolff/)
 * (@cwolff)
 * [9 years, 1 month ago](https://wordpress.org/support/topic/uncaught-error-call-to-undefined-function-plugin_basename-2/#post-9113333)
 * Custom theme built on _Underscore.
 * Plugins:
    + Capability Manager Enhanced + Contact Form 7 Honeypot + Contact Form
   DB + iThemes Security + Postman SMTP + UpdraftPlus – Backup/Restore
 *  Plugin Author [Takayuki Miyoshi](https://wordpress.org/support/users/takayukister/)
 * (@takayukister)
 * [9 years, 1 month ago](https://wordpress.org/support/topic/uncaught-error-call-to-undefined-function-plugin_basename-2/#post-9116968)
 * Try switching to the default theme and deactivating all other plugins.

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

The topic ‘Uncaught Error: Call to undefined function plugin_basename()’ is closed
to new replies.

 * ![](https://ps.w.org/contact-form-7/assets/icon.svg?rev=2339255)
 * [Contact Form 7](https://wordpress.org/plugins/contact-form-7/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/contact-form-7/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/contact-form-7/)
 * [Active Topics](https://wordpress.org/support/plugin/contact-form-7/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/contact-form-7/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/contact-form-7/reviews/)

 * 3 replies
 * 2 participants
 * Last reply from: [Takayuki Miyoshi](https://wordpress.org/support/users/takayukister/)
 * Last activity: [9 years, 1 month ago](https://wordpress.org/support/topic/uncaught-error-call-to-undefined-function-plugin_basename-2/#post-9116968)
 * Status: not resolved