- Plesk for Linux
- Cannot update WordPress plugin under Domains > example.com > WordPress:
PLESK_ERROR: The WordPress installations were updated with errors:
Installation "example": The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.
PHP handler under Domains > example.com > PHP Settings is set as
mod_php served by Apache.
The inconsistency of permissions.
mod_php served by Apache
handles requests under apache user, while the files under domain's directory are owned by system user of the domain.
- Log in to Plesk
- Change PHP handler under Domains > example.com >PHP Settings to FPM by Apache or FastCGI by Apache: