Hey @Luy, Thirdeye uses MySQL as its persistent storage for its entities, so you need the MySQL server running too. Refer this section for more info https://thirdeye.readthedocs.io/en/latest/getting_started.html#mysql-persistence From your logs it looks like you have not configured the https://thirdeye.readthedocs.io/en/latest/getting_started.html#step-4-update-the-persistence-config-file properly.