A data analyst's code is failing when the analyst attempts a large batch upload to a cloud database. The analyst checks the following:
- The database key is correct and embedded in the code.
- All classes and objects have been defined and called.
- The coding format in a text editor ensures syntax uniformity.
- Built-in and user-defined exceptions are responding appropriately.
- Print statements correctly identify the line where an error occurs.
- Online coding forums do not contain similar issues with resolutions.
Which of the following is the most appropriate next step to continue troubleshooting?