What are common errors related to session_save_path in PHP?

One common error related to session_save_path in PHP is specifying an incorrect directory path that does not exist or is not writable by the web server. To solve this issue, ensure that the specified directory path exists and has the correct permissions set to allow the web server to write session data to it.

// Specify a valid directory path for storing session data
session_save_path('/path/to/writable/directory');

// Start the session
session_start();