Log in to the Salesforce application. Observe the application during the initial login. Perform a hard refresh when the error occurs. Issue: A 404 error window appears during the initial login. Even after performing a hard refresh, the application does not recover. The user must log out and log back in before continuing. Note: This issue occurs twice during the initial login each day before a successful login is achieved. Screenshot: https://drive.google.com/file/d/1PSvnZ_L5jBffzieIPySwxbhN4Wzzepo0/view?usp=sharing