Fatal error: Uncaught Error: Interface "kamermans\OAuth2\Signer\ClientCredentials\SignerInterface" not found in /usr/home/borkowski8/domains/leantime2.extremesoftware.pl/public_html/vendor/kamermans/guzzle-oauth2-subscriber/src/Signer/ClientCredentials/PostFormData.php:8
Stack trace:
#0 {main}
  thrown in /usr/home/borkowski8/domains/leantime2.extremesoftware.pl/public_html/vendor/kamermans/guzzle-oauth2-subscriber/src/Signer/ClientCredentials/PostFormData.php on line 8