Lucidchart Common Errors Overview Lucidchart's API enables programmatic diagram creation, document management, shape manipulation, and team collaboration workflows. Common integration errors include OAuth token expiration during long-running batch operations, document lock conflicts when multiple users edit simultaneously, and shape API 422 errors from invalid geometry or missing parent references. The OAuth token refresh flow is the most common stumbling block -- access tokens expire after 60 minutes, and batch operations that exceed this window fail mid-run. This reference covers authentica…