# What errors can I get in the Flow Builder? Within the Flow Builder, you can mostly only get validation errors, that is, either some of the required fields of each Step of your flow are empty (not filled in), or they’re filled in incorrectly (invalid phone number, invalid email, etc.) If a Step has an error, a red bubble will be displayed on top of it. If you click on the Step with the error, you’ll see that Flow Builder marked the exact error in red. Don’t worry! Flow Builder won’t allow you to publish a communications flow that contains any errors. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.bird.com/connectivity-platform/troubleshoot-a-flow/what-errors-can-i-get-in-the-flow-builder.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.