What are common errors encountered during PHP NUKE installation?

Common errors encountered during PHP NUKE installation include incorrect file permissions, missing PHP extensions, and database connection issues. To solve these errors, ensure that the correct file permissions are set, all required PHP extensions are installed, and the database connection details are correctly configured. Example PHP code snippet to fix file permission issues:

chmod -R 755 /path/to/phpnuke
```

Example PHP code snippet to fix missing PHP extensions:

```php
sudo apt-get install php-mysql
```

Example PHP code snippet to fix database connection issues:

```php
define('DB_SERVER', 'localhost');
define('DB_USERNAME', 'username');
define('DB_PASSWORD', 'password');
define('DB_NAME', 'database_name');