To fix this you need code-marketplace package from AUR

Step 1:
Go https://aur.archlinux.org/ and search for code-marketplace

Step 2:
Copy the Git clone URL



Step 3:
Open terminal and type this command

git clone <URL_You_Have_Copied>

Step 4:
Change the current directory

cd <package_you_have_cloned>

Step 5:
Make the package

makepkg -si

This guide is also helpful for those who are looking forward to install a package from AUR Repsitory.