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It looks like you might be trying to use SQLite as your database and bundling it with your app. I can’t dig in further to confirm without more information, but you will want to avoid using SQLite and make use of MySQL or Postgres via our DBaaS product. Services deployed on app platform need to be ephemeral as any data you write to disk will be lost the next time you deploy or maintenance needs to occur. It’s possible that the location where your database is supposed to exist on disk is not accessible and therefore unreachable. If I am mistaken and you are not utilizing SQLite please let me know.
Hello! This error appears to be coming from an SQLite database. SQLite is generally recommended only for development and importantly WILL see data loss in a containerized environment like the App Platform. Local disk storage on the App Platform is ephemeral. Anything written to local disk (including the SQLite DB) will disappear when the container is replaced or restarted. For persistent storage we commend using a database like the App Platform’s dev database or DigitalOcean managed databases.