Plesk Service/Interface

This section contains articles about failed Plesk interface actions and broken Plesk service.

Plesk for Windows is not accessible with the 503 error: The Module DLL C:\Windows\Microsoft.NET\Framework64\HttpResetModule.dll failed to load
Unable to remove a customer in Plesk: Unable to load object of type Mailname with id
Unable to create or edit user roles: ERROR 500 Zend_Form_Exception: Element name must be a string
Unable to access Webmail service on a Plesk server; the following error is shown on the web browser: 500 Internal Error
Error when removing an IP address without assigned domains in Plesk: The IP address is already used for hosting
Some actions fail in Plesk: "Cannot connect to the task manager" or "Unexpected non-whitespace character after JSON"
Plesk mail antivirus settings show a blank page: Unable to find row by field name with value premium-av
Unable execute Plesk tools: Access is denied. (Error code 5)
FTP account creation or password reset timeouts
Unable to access Plesk GUI : Dependent row(s) 'smb_roles.id = 1' isn't found for 'smb_users.roleId = 1'
Unable to login to Plesk: ERR [panel] Call to a member function getAttribute() on null
Plesk Error: Access to the location web/view is denied
Plesk interface is down or slow: server reached max_children setting
The repair installation utility for Plesk on Linux is not working: fix Plesk packages permissions
Plesk graphical interface (GUI) is not accessible: Call to a member function getAttribute() on a non-object (DefPackageMng.php:231)
The timestamps on logs for domains do not correspond to the global System time zone
Several action fails with the error: ERR [panel] "C:\Program Files (x86)\Plesk\admin\bin\crontabmng" get psaadm failed with code 1.
Plesk panel fails to open: 500 Internal Server Error
ASP.NET Settings and Hosting Settings pages of a domain are not opening in Plesk: Argument #1 ($array) must be of type array, null given
Plesk is not accessible due to stuck mysqld/mariadbd process: "Connection refused" or "No such file or directory"
Unable to open "Subscriptions" menu in Plesk: Call to a member function getDescription() on null
Unable to synchronize subscriptions with Service Plan: hard disk quota is not supported due to configuration of server file system
Cannot log into Plesk: PHP Fatal error: Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.4.0"
Option for managing Mail for Non-Existent Users is missing in Plesk
PHP version can not be selected for a domain in Plesk despite other PHP settings are manageable
Extension catalog is missing from Plesk after installation
phpinfo() page can not be opened for a Plesk domain: DOMDocument::loadHTML(): Argument #1 ($source) must not be empty
How to hide a button in Plesk CSS style page
Unable to turn on Plesk Firewall with error: Did not receive a matching activation token before confirmation timeout
Domain creation/removal task is stuck in Plesk