A new employee at a company was becoming familiar with the company system through training exercises in a sandpit site. The employee was learning how to create, manage and delete records in the company system. The employee then swapped back to the operational system, but thought they were still on the training site. While practising the training exercises $($but unaware they were on the operational system$)$ the employee deleted some company records. The company did not have any backups of their records. Which one of the following statements best describes the situation?