Menu "Extensions" in Plesk and/or extensions' menus fail to open: ERROR: Declaration of DI\CompiledContainer::get($name) must be compatible with DI\Container::get(string $id): mixed (CompiledContainer.php:41)

Symptoms

• On a Plesk for Linux server, the menu Extensions fails to open:

  ERROR: Declaration of DI\CompiledContainer::get($name) must be compatible with DI\Container::get(string $id): mixed (CompiledContainer.php:41)

  ---

  PHP Fatal error: Declaration of DI\CompiledContainer::get($name) must be compatible with DI\Container::get(string $id): mixed in /usr/local/psa/admin/plib/modules/nodejs/vendor/php-di/php-di/src/CompiledContainer.php on line 41

• The menus of various extensions, like Domains > example.com > Node.js fail to open with the same error.

• The same error is found in the log file /var/log/plesk/panel.log.

Cause

Extension(s) mentioned in the error is not up-to-date.

Resolution

1. Connect to the server via SSH.

2. Reinstall extension(s) mentioned in the error:

   # plesk bin extension --install <extension name>

   where <extension name> is the name of the extension mentioned after /usr/local/psa/admin/plib/modules/ in the error message. Use lowercase letters only in the command.

   For example: if /usr/local/psa/admin/plib/modules/nodejs/... is mentioned in the error, then use the command:

   # plesk bin extension --install nodejs