- Plesk Onyx
Unable to install WordPress at Domains > example.com > WordPress > Install(Custom),
Installation path https://example.com/
PLESK_ERROR: The directory cannot be used because it would overlap another app installed at example.com. Such overlapping would make the installed app unavailable.
A index.php file is within the DocumentRoot of example.com at Plesk > Domains > example.com > File Manager.
This is WordPress Toolkit bug with ID #EXTWPTOOLK-2814, which will be fixed in future product updates.
Until a fix became available, as a workaround:
Go to Domains > example.com > File Manager.
Click on the dropdown menu next to the group and then click on Rename:
Now put in the new file name and hit OK: