Fatal error: Uncaught Error: Call to undefined method GuzzleHttp\Utils::chooseHandler() in /customers/0/e/a/dimuthea.de/httpd.www/wp-content/plugins/google-calendar-events/vendor/guzzlehttp/guzzle/src/functions.php:61
Stack trace:
#0 /customers/0/e/a/dimuthea.de/httpd.www/wp-content/plugins/official-facebook-pixel/vendor/guzzlehttp/guzzle/src/HandlerStack.php(42): GuzzleHttp\choose_handler()
#1 /customers/0/e/a/dimuthea.de/httpd.www/wp-content/plugins/official-facebook-pixel/vendor/guzzlehttp/guzzle/src/Client.php(65): GuzzleHttp\HandlerStack::create()
#2 /customers/0/e/a/dimuthea.de/httpd.www/wp-content/plugins/google-calendar-events/vendor/google/apiclient/src/Google/Client.php(1169): GuzzleHttp\Client->__construct(Array)
#3 /customers/0/e/a/dimuthea.de/httpd.www/wp-content/plugins/google-calendar-events/vendor/google/apiclient/src/Google/Client.php(1124): Google_Client->createDefaultHttpClient()
#4 /customers/0/e/a/dimuthea.de/httpd.www/wp-content/plugins/google-calendar-events/vendor/google/apiclient/src/Google/Client in /customers/0/e/a/dimuthea.de/httpd.www/wp-content/plugins/google-calendar-events/vendor/guzzlehttp/guzzle/src/functions.php on line 61