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my Community Builder registration process seems to have started failing since I updated CiviCRM recently.

Fatal error: Cannot redeclare GuzzleHttp\describe_type() (previously declared in [DOCROOT]/libraries/CBLib/GuzzleHttp/functions.php:14) in [DOCROOT]/administrator/components/com_civicrm/civicrm/vendor/guzzlehttp/guzzle/src/functions.php on line 41

I guess there are two versions of GuzzleHttp conflicting but I'm not sure how I go about resolving this. This maybe isn't specifically a CiviCRM problem, but I'd very much appreciate some guidance on how to troubleshoot this!

Joomla 3.10.10 CiviCRM 5.50.2 Community Builder 2.7.3

Thanks!

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These links are for drupal and wordpress but it's the same type of problem. There isn't a good solution available though.

In this specific case, my guess is that community builder is using guzzle 7 (the source code for community builder doesn't seem available online to check???). If that's true, then since civi supports guzzle 7 but just ships with guzzle 6, what you can try is go into the civicrm plugin folder and run composer require guzzlehttp/guzzle:'^7' so that they end up with the same version. If something goes wrong just composer require guzzlehttp/guzzle:'^6.3' to restore the old guzzle for civi.

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  • Thanks for the assistance, I'll check with the developers on Community Builder.
    – minbori
    Commented Aug 7, 2022 at 12:33
  • So the Community Builder developers have confirmed they're using Guzzle 7, so I will need to change the version in Civi. Please forgive a potentially stupid question, but I have very limited experience with Composer. This CiviCRM instance was installed via the Joomla installer, and I've never managed it with Composer. Can I set up composer on an already installed Civi? If so, which is the correct plugin folder to use?
    – minbori
    Commented Aug 9, 2022 at 9:42
  • This really is a separate question, so I've made a separate post :-) civicrm.stackexchange.com/questions/42429/…
    – minbori
    Commented Aug 9, 2022 at 10:13
  • Just thought I'd report back -- running the composer require to change the guzzle version is working. Thanks again for the help!
    – minbori
    Commented Aug 10, 2022 at 15:30
  • Great. Glad it's working.
    – Demerit
    Commented Aug 10, 2022 at 15:30

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