undefined variable $getBlockPickerBlocks

[lucaruboni]

I've already installed fabricator with the instruction in filament plugin but when I try to create a new page i got this error:

Undefined variable $getBlockPickerBlocks

str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in C:\MAMP\htdocs\germoglio_back_folder\germoglio_back_end\vendor\laravel\framework\src\Illuminate\Support\Str.php on line 1088

/**
 * Replace the given value in the given string.
 *
 * @param  string|iterable<string>  $search
 * @param  string|iterable<string>  $replace
 * @param  string|iterable<string>  $subject
 * @param  bool  $caseSensitive
 * @return string|string[]
 */
public static function replace($search, $replace, $subject, $caseSensitive = true)
{
    if ($search instanceof Traversable) {
        $search = collect($search)->all();
    }

    if ($replace instanceof Traversable) {
        $replace = collect($replace)->all();
    }

    if ($subject instanceof Traversable) {
        $subject = collect($subject)->all();
    }

    return $caseSensitive
            ? str_replace($search, $replace, $subject)
            : str_ireplace($search, $replace, $subject);
}