Title: GuzzleHttp library
Last modified: May 21, 2019

---

# GuzzleHttp library

 *  [alexhoogeboom](https://wordpress.org/support/users/sjerpvanwouden/)
 * (@sjerpvanwouden)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/guzzlehttp-library/)
 * I get the following error when I use the plugin “WP Offload Media”:
    An error
   of type E_ERROR was caused in line 37 of the file /public/wp-content/plugins/
   amazon-s3-and-cloudfront-pro/vendor/Gcp/guzzlehttp/guzzle/src/HandlerStack.php.
   Error message: Uncaught Error: Call to undefined function DeliciousBrains\WP_Offload_Media\
   Gcp\GuzzleHttp\choose_handler() in /public/wp-content/plugins/amazon-s3-and-cloudfront-
   pro/vendor/Gcp/guzzlehttp/guzzle/src/HandlerStack.php:37
 * I get the following back from the developers:
    _That error suggests that there
   is another plugin active that also uses the GuzzleHttp library but they have 
   not properly scoped their version so that it does not clash with other plugins.
   Please can you try deactivating other plugins one by one until you find the culprit
   and then contact them asking them to scope their libraries like we do? [https://deliciousbrains.com/wp-offload-s3-1-6-released/#how](https://deliciousbrains.com/wp-offload-s3-1-6-released/#how)
 * I disabled the Mollie plugin, and verything works fine.
    Can you help me meaning
   this issue?
 * Thx!

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Contributor [davdebcom](https://wordpress.org/support/users/davdebcom/)
 * (@davdebcom)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/guzzlehttp-library/#post-11555076)
 * Yep, we do use Guzzle and don’t scope it at the moment. Please check:
    [https://github.com/mollie/WooCommerce/wiki/Composer-Guzzle-conflicts](https://github.com/mollie/WooCommerce/wiki/Composer-Guzzle-conflicts)
 * It’s sometime that might be added:
    [https://github.com/mollie/WooCommerce/issues/249](https://github.com/mollie/WooCommerce/issues/249)
 * What version of Guzzle are they using?
 *  Thread Starter [alexhoogeboom](https://wordpress.org/support/users/sjerpvanwouden/)
 * (@sjerpvanwouden)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/guzzlehttp-library/#post-11558363)
 * Currently v6.3.3 is the version of GuzzleHttp pulled in when they built the currently
   distributed GCS support.
 * This was the dependency path at time of build…
    [https://packagist.org/packages/google/cloud-storage#v1.10.0](https://packagist.org/packages/google/cloud-storage#v1.10.0)
   [https://packagist.org/packages/google/cloud-core#v1.25.1](https://packagist.org/packages/google/cloud-core#v1.25.1)
   [https://packagist.org/packages/guzzlehttp/guzzle#6.3.3](https://packagist.org/packages/guzzlehttp/guzzle#6.3.3)
 *  Thread Starter [alexhoogeboom](https://wordpress.org/support/users/sjerpvanwouden/)
 * (@sjerpvanwouden)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/guzzlehttp-library/#post-11575351)
 * Any update meaning the GuzzleHttp library ?
 *  Plugin Contributor [davdebcom](https://wordpress.org/support/users/davdebcom/)
 * (@davdebcom)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/guzzlehttp-library/#post-11575368)
 * Not yet, please keep checking the GitHub issue. It might take some time, it’s
   being discussed.

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘GuzzleHttp library’ is closed to new replies.

 * ![](https://ps.w.org/mollie-payments-for-woocommerce/assets/icon-256x256.png?
   rev=3090580)
 * [Mollie Payments for WooCommerce](https://wordpress.org/plugins/mollie-payments-for-woocommerce/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/mollie-payments-for-woocommerce/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/mollie-payments-for-woocommerce/)
 * [Active Topics](https://wordpress.org/support/plugin/mollie-payments-for-woocommerce/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/mollie-payments-for-woocommerce/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/mollie-payments-for-woocommerce/reviews/)

 * 4 replies
 * 2 participants
 * Last reply from: [davdebcom](https://wordpress.org/support/users/davdebcom/)
 * Last activity: [6 years, 10 months ago](https://wordpress.org/support/topic/guzzlehttp-library/#post-11575368)
 * Status: not resolved