Applications & Extensions

Plesk applications and extensions installation/management articles. WordPress, Joomla, Let's Encrypt, CloudFlare and etc.

Unable to issue Let's Encrypt certificate for www.example.com: 403 Invalid response
The WordPress instance is marked as broken in the WP Toolkit: Error: The site you have requested is not installed. Run `wp core install` to create database tables.
An Email Notification from WP Toolkit is received: Failed to reset cache for the instance: Error establishing a database connection.
Cannot open WP Toolkit in Plesk: Declaration of PleskExt\WpToolkit\Controller\Action::apiResponse(array $data = [], string $status = '', string $message = '') must be compatible with
Backup to AWS storage fails in Plesk: Unable to create the remote backup: Transport error: Extension transport: ext://s3-backup/server/: 100 Continue
How to enable Atomic rulesets in ModSecurity for Plesk on RHEL 8/ CloudLinux 8/ AlmaLinux 8 and Rocky Linux 8 OS?
Smart PHP Update fails for a Plesk domain: DOMDocument::loadHTML(): Argument #1 ($source) must not be empty
A WordPress instance on Plesk fails with error 500: PHP Fatal error: Failed opening required '/var/www/vhosts/example.com/public_html/wordfence-waf.php'
Plesk PHP Composer extension command fails with: Call to undefined function PleskExt\Composer\Cli\create_function()
Plesk Email Security extension blocklist does not work
WP Toolkit PHP process gets stuck and generates high CPU usage for the server
Restrictive rules in iptables are written automatically on server restart
Unable to migrate domain via Plesk Migrator: Integrity constraint violation Duplicate entry
Unable to update WordPress plugins in Plesk: Update failed: -1
How to enable debug / additional log in Web Presence Builder
[BUG] Git push via HTTP(S) to a local Git repository in Plesk for Linux with Nginx fails: 404 not found
Unable to open DNSSEC on the domain page: Table 'psa.module_dnssec_dnsZone' doesn't exist
Additional PHP settings are not updated in phpinfo() page for a Plesk hosted domain on CloudLinux server
Unable to open Web Statistics for a Domain in Plesk: The requested document was not found on this server.
After removal of specific PHP version multiple domains hosted in Plesk became not accessible, error 503 is shown in browser
WAF button not visible in the Security category for Customer and Reseller domains
Unable to clone git repository in Plesk: Authentication failed
ImunifyAV extension update fails in Plesk: SQLSTATE[HY000]: General error: 1 no such table: keyvalue
Hourly notifications are received from Plesk: Protocol version '1.6.8.0' is deprecated. Current protocol version is '1.6.9.1'.
Resource Controller (Cgroups) won't start on a Plesk Server: Error: collectdmng failed: Fail to start sw-collectd!
Unable to update plugins in WordPress: The plugin has not been updated due to unrecognized reason
Unable to log in to the WP Admin dashboard by using WP Toolkit: JSON: Illegal Token
Unable to use Docker in Plesk on AlmaLinux 9: Local Docker node is missing
Notification received by Plesk administrator regarding WordPress site: Failed to reset cache for the instance: filemng: No such file or directory
Some pages of the web-site returns 503 error: child exited on signal 11 (SIGSEGV)