The phrase "study at error" can be replaced with several synonyms that have a similar meaning. Some of these include examining mistakes, evaluating inaccuracies, reviewing faults, or analyzing missteps. Each of these synonyms highlights the importance of closely examining an error in order to understand its cause and prevent it from happening in the future. By studying and learning from mistakes, individuals and organizations can improve their processes and decision-making abilities. Overall, it is critical to approach errors as learning opportunities rather than setbacks, and utilizing synonyms like these can help to reframe the narrative around mistakes in a positive way.