FileNotFoundError: 'No such file or directory' - Troubleshooting Guide

This error message indicates that the file '21_mask_1.png' does not exist in the directory 'Drive_crop/Masks'. The possible reasons for this error could be:

1. The file name or directory name is misspelled.
2. The file has been deleted or moved to another location.
3. The program is searching for the file in the wrong directory.

To resolve this error, you can try the following solutions:

1. Check the spelling of the file name and directory path.
2. Make sure that the file exists in the specified directory.
3. If the file has been moved, update the directory path in the program.
4. If the program is searching for the file in the wrong directory, update the directory path in the program.