Codeigniter Error Prompt Error with CACHE directory Solution

If the following error prompt occurs during Codeigniter project access:

Error with CACHE directory.

Check the permissions of the cache directory under 1 and you will find that

drwxr-xr-x 3 root root 4096 Mar 1 13:53 cache

Just change it to read and write,

# chmod 777 cache

Problem solving.