What does this error suggest?

Failed to fetch schema. Please try again

Error: Internal Server Error: Cannot invoke "io.airbyte.api.model.generated.AirbyteCatalog.getStreams()" because "discovered" is null

The error message you're seeing suggests that there's an issue with the

discover

action of your source. In Airbyte, the

discover

action is responsible for producing an

AirbyteCatalog

, which is a list of `AirbyteStream`s that describe the data available to be synced from the source. If "discovered" is null, it means that the

discover

action was unable to produce this catalog. This could be due to a variety of reasons, such as a problem with the source itself, an issue with the connection to the source, or a bug in the Airbyte code. It's hard to say for sure without more information. To troubleshoot this issue, you might want to: 1. Check the logs for more detailed error messages. 2. Verify that your source is set up correctly and that Airbyte is able to connect to it. 3. If you're using a custom connector, ensure that it's correctly implementing the

discover

method as described in the [Airbyte Protocol documentation](https://docs.airbyte.com/understanding-airbyte/airbyte-protocol/). If you're still having trouble, consider reaching out to the Airbyte community on their [forum](https://discuss.airbyte.io) or [Slack](https://airbytehq.slack.com) for further assistance.