getproducts giving error when calling from custom server module

[jerome]

function mymodule_CreateAccount($params)
{
    file_put_contents("C:/xampp_my/htdocs/my/sss.txt",var_export($params,true));
    
       
    $command = 'GetProducts';
$postData = array(
    'pid' => '1',
);

$results = localAPI($command, $postData);

    
print_r($results);
    
    return $results ;
}

any advise ?

it gives