Erro: SQLSTATE[HY000] [2002] No route to host

Processo: Autorização Loja

{"code":201,"message":"Created tokens","access_token":"APP_ID-5299-STORE_ID-1225878-ba04b87b2ac765dabc3ec3187e5f4a96951df7fa16bee9057af4ddda7ccd2674","refresh_token":"0bdb42c83ce5e4a13a2f612cdd4d3e95de2250c39e8d376de7f9d178d5defa1a","date_expiration_access_token":"2025-05-21 19:54:47","date_expiration_refresh_token":"2025-06-20 16:54:47","date_activated":"2025-05-21 16:54:47","api_host":"https:\/\/1225878.commercesuite.com.br\/web_api","store_id":"1225878"}
Fatal error: Call to a member function query() on null in /home/zerbproadmin/public_html/tray/classes/conexao.class.php on line 138