By where it lives: a Databricks secret or SOPS value has changed since the link was made, an Azure secret's current version isn't the link's (unpinned), and a pinned version can't have changed, so the link may be damaged. The popup wraps the reason instead of cutting it; r is for what Key Vault adds to check. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>