Model fillPlaceholders() rule reference

**CLI Error**:

```
strtr() expects parameter 1 to be string, array given
/system/Model.php - 1199
```

**Model Rules**:

```php
protected $validationRules = [
	'title'       => [
		'min_length[1]',
		'max_length[64]',
	],
];
```

**Data to Insert**:

```php
$data = [
	'title' => 'General',
];
```