It tells me "you may not install to this volume because your home directory is in an incompatible location.Please log in to another user to change its location.
I need to know what to do to continue installation of macos catalina
MacBook
Have you moved your user profile to a 2nd disk on your device? Do you have more than one disk? I've seen this cause problems in the past when people try to move user profiles (Documents, Downloads..etc) to a separate location than where the OS is installed.