Title: Ninja forms Upload Files addon error
Last modified: September 28, 2021

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# Ninja forms Upload Files addon error

 *  Resolved [biello2008](https://wordpress.org/support/users/biello2008/)
 * (@biello2008)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/ninja-forms-upload-files-addon-error/)
 * After installing the addon “File Uploads” of Ninja forms and trying to activate
   the integration connect with google, so that the upload of files in forms goes
   right to the google drive.
    the addon generates a critical error on my site making
   it impossible for me to do anything.
 * ERROR
 * Fatal error: Uncaught Error: Call to undefined function NF_FU_VENDOR\GuzzleHttp\
   choose_handler() in /var/www/html/wp-content/plugins/ninja-forms-uploads/vendor-
   dist/guzzlehttp/guzzle/src/HandlerStack.php:39 Stack trace: #0 /var/www/html/
   wp-content/plugins/ninja-forms-uploads/vendor-dist/guzzlehttp/guzzle/src/Client.
   php(65): NF_FU_VENDOR\GuzzleHttp\HandlerStack::create() #1 /var/www/html/wp-content/
   plugins/ninja-forms-uploads/vendor-dist/google/apiclient/src/Google/Client.php(
   912): NF_FU_VENDOR\GuzzleHttp\Client->__construct() #2 /var/www/html/wp-content/
   plugins/ninja-forms-uploads/vendor-dist/google/apiclient/src/Google/Client.php(
   882): NF_FU_VENDOR\Google_Client->createDefaultHttpClient() #3 /var/www/html/
   wp-content/plugins/ninja-forms-uploads/vendor-dist/google/apiclient/src/Google/
   Client.php(287): NF_FU_VENDOR\Google_Client->getHttpClient() #4 /var/www/html/
   wp-content/plugins/ninja-forms-uploads/vendor-dist/google/apiclient/src/Google/
   Client.php(678): NF_FU_VENDOR\Google_Client->authorize() #5 /var/www/html/wp-
   content/ in /var/www/html/wp-content/plugins/ninja-forms-uploads/vendor-dist/
   guzzlehttp/guzzle/src/HandlerStack.php on line 39
 * How solve this?
    -  This topic was modified 4 years, 8 months ago by [biello2008](https://wordpress.org/support/users/biello2008/).
    -  This topic was modified 4 years, 8 months ago by [biello2008](https://wordpress.org/support/users/biello2008/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fninja-forms-upload-files-addon-error%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [Justin McElhaney](https://wordpress.org/support/users/jmcelhaney/)
 * (@jmcelhaney)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/ninja-forms-upload-files-addon-error/#post-14921153)
 * For help with a purchased add-ons, you will need to contact our official support.
   [https://ninjaforms.com/contact](https://ninjaforms.com/contact)
    This rule is
   explained under the WP support guidelines: [https://wordpress.org/support/guidelines/](https://wordpress.org/support/guidelines/)

Viewing 1 replies (of 1 total)

The topic ‘Ninja forms Upload Files addon error’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Justin McElhaney](https://wordpress.org/support/users/jmcelhaney/)
 * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/ninja-forms-upload-files-addon-error/#post-14921153)
 * Status: resolved