i am trying hard to update my system which is parrot but i am unable to do that
when i type sudo apt-get update , these are the following errors come
E: The repository ‘http:/deb.torproject.org/torproject.org stretch Release’ does not have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
please help me i am in serious problem