AWS CloudFormation is a crucial tool for managing infrastructure as code but can present errors that impact infrastructure stability. This article explores common errors such as UPDATE_ROLLBACK_FAILED, CREATE_FAILED, and DELETE_FAILED, among others, and provides strategies for addressing them effectively. Key to managing these errors includes detailed log reviews, extensive testing in controlled environments, and implementing proactive practices for managing permissions and dependencies. Adopting a preventive approach and utilizing validation tools can help maintain a stable and reliable cloud infrastructure.