how to clone repository inside another repository through localhost

[aizazali118]

Cloning into 'C:\xampp\htdocs\EcodeCamp-Internship'...
remote: Enumerating objects: 7, done.
remote: Counting objects: 100% (7/7), done.
remote: Compressing objects: 100% (4/4), done.
remote: Total 7 (delta 0), reused 0 (delta 0), pack-reused 0 (from 0)
Receiving objects: 100% (7/7), done.
error: invalid path 'task1:bloggingwebsite/readme.txt'
fatal: unable to checkout working tree
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry with 'git restore --source=HEAD :/'

I have the error mentioned above while I am cloning the repository I have created a repository inside another repository below the screenshot then when I start the cloning to the main repository I facing the issues I am too familiar with GitHub please help