ileNotFoundError: [Errno 2] No such file or directory: '..\\AE86.csv'

This error message is indicating that Python is unable to locate the file named "AE86.csv" in the specified directory. The "..\\" in the file path indicates that Python is trying to access the file in the parent directory of the current working directory.

To resolve this error, you should check that the file exists in the correct directory and that the file path is correct. You may also need to adjust the file path to ensure that it is relative to the current working directory.