unable to delete some files and folders with ftp or file manager

hello admin and moderators.
i cant seem to delete some folders and files from file manager
and even ftp
what to do?

Unable to delete the file
Unable to delete the subdirectory

thank you good bye now

What are the files and folders that you are unable to delete?

Mike

Processing directory /logs
    Processing directory /logs/access
        Processing directory /logs/access/05
            Unable to delete the file 31
            Unable to delete the subdirectory /logs/access/05 - it may not be empty
            Processing of directory /logs/access/05 completed
        Unable to delete the subdirectory /logs/access - it may not be empty
        Processing of directory /logs/access completed
    Processing directory /logs/errors
        Processing directory /logs/errors/05
            Unable to delete the file 31
            Unable to delete the subdirectory /logs/errors/05 - it may not be empty
            Processing of directory /logs/errors/05 completed
        Unable to delete the subdirectory /logs/errors - it may not be empty
        Processing of directory /logs/errors completed
    Unable to delete the subdirectory /logs - it may not be empty
    Processing of directory /logs completed
Processing directory /misctopic.22web.org
    Processing directory /misctopic.22web.org/logs
        Processing directory /misctopic.22web.org/logs/access
            Processing directory /misctopic.22web.org/logs/access/06
                Unable to delete the file 02
                Unable to delete the subdirectory /misctopic.22web.org/logs/access/06 - it may not be empty
                Processing of directory /misctopic.22web.org/logs/access/06 completed
            Unable to delete the subdirectory /misctopic.22web.org/logs/access - it may not be empty
            Processing of directory /misctopic.22web.org/logs/access completed
        Processing directory /misctopic.22web.org/logs/errors
            Processing directory /misctopic.22web.org/logs/errors/06
                Unable to delete the file 02
                Unable to delete the subdirectory /misctopic.22web.org/logs/errors/06 - it may not be empty
                Processing of directory /misctopic.22web.org/logs/errors/06 completed
            Unable to delete the subdirectory /misctopic.22web.org/logs/errors - it may not be empty
            Processing of directory /misctopic.22web.org/logs/errors completed
        Unable to delete the subdirectory /misctopic.22web.org/logs - it may not be empty
        Processing of directory /misctopic.22web.org/logs completed
    Unable to delete the subdirectory /misctopic.22web.org - it may not be empty
    Processing of directory /misctopic.22web.org completed

All the selected directories and files have been processed.

Hello again @mralihaider.

The files that you are trying to delete are log files however we have restricted deletion of them because they are kept for legal purposes on our servers.

Mike