$rs = $sh->getValues("{$ss}!{$row}:{$row}");

	if (empty($rs->values)) {
		$rs = [];
	} else {
		$rs = (array)$rs->values[0];
	}
	foreach ($data as $fld=>$val)
	{
		$col = $map[$fld];
		if (count($rs) < $col) $rs = array_merge($rs, array_fill(0, ($col - count($rs)), null));
		$rs[$col-1] = $val;
	}
	$sh->setValues($ss, "{$row}:{$row}", [$rs]);

Uncaught Google\Service\Exception: {
  "error": {
    "code": 400,
    "message": "Invalid JSON payload received. Unknown name \"0\" at 'data.values[0]': Cannot find field.\nInvalid JSON payload received. Unknown name \"49\" at 'data.values[0]': Cannot find field.",
    "errors": [
      {
        "message": "Invalid JSON payload received. Unknown name \"0\" at 'data.values[0]': Cannot find field.\nInvalid JSON payload received. Unknown name \"49\" at 'data.values[0]': Cannot find field.",
        "reason": "invalid"
      }
    ],
    "status": "INVALID_ARGUMENT"
  }
}

Array
(
    [data] => Array
        (
            [date] => 2021-01-01
            [notes] => test
        )

    [rs] => Array
        (
            [0] => 2021-01-01
            [1] => 
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            [3] => 
            [4] => 
            [5] => 
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            [20] => 
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            [41] => 
            [42] => 
            [43] => 
            [44] => 
            [45] => 
            [46] => 
            [47] => 
            [48] => 
            [49] => test
        )

)

	/**
	 * $id
	 *   Идентификатор документа (SpreadsheetID).
	 * $token
	 *   Токен авторизации (json-файл).
	 * $options
	 *   Ассоциированный массив с параметрами:
	 */
	public function __construct($id, $token, $options=null)
	{
		global $_BASE;
		if (!isset($id, $token)) throw new \InvalidArgumentException('Required parameter ommited');
		if (is_array($token)) throw new \InvalidArgumentException('Inline token not implemented, use json-file');
		if (substr($token, -5) != '.json') $token .= '.json';
		if (strpos($token, '/') === false) $token = "{$_BASE}/cfg/" . $token;
		$client = new \Google_Client();
		if (!$client) throw new \RuntimeException("Google_Client instancing failed!");
		$client->setScopes([\Google_Service_Sheets::DRIVE, \Google_Service_Sheets::SPREADSHEETS]);
		putenv("GOOGLE_APPLICATION_CREDENTIALS={$token}");
		$client->useApplicationDefaultCredentials();
		$service = new \Google_Service_Sheets($client);
		if (!$service) throw new \RuntimeException("Google_Service_Sheets instancing failed!");
		$sheet = $service->spreadsheets->get($id);
		if (!$sheet) throw new \RuntimeException("Google_Service_Sheets_Spreadsheet instancing failed!");
		$this->store = [];
		$this->store['client'] = $client;
		$this->store['service'] = $service;
		$this->store['document'] = $id;
		$this->store['sheet'] = $sheet;
	}
...
	/***
	 * Получить данные с листа
	 */
	public function getValues($sheet, $range=null, $options=[])
	{
		$svc = $this->store['service'];
		$id = $this->store['document'];
		if (isset($options))
		{
			if (!is_array($options)) $options = ['valueRenderOption'=>$options];
			$options['dateTimeRenderOption'] = 'FORMATTED_STRING';
		}
		$res = $svc->spreadsheets_values->get($id, $sheet . (isset($range) ? '!'.$range : ''), $options);
		sleep(1);
		return $res;
	}

	/***
	 * Изменить данные на листе
	 */
	public function setValues($sheet, $range, $data)
	{
		$svc = $this->store['service'];
		$id = $this->store['document'];
		$data = new \Google_Service_Sheets_ValueRange(['values'=>$data]);
		$options = ['valueInputOption'=>'USER_ENTERED'];
		$res = $svc->spreadsheets_values->update($id, $sheet . (isset($range) ? '!'.$range : ''), $data, $options);
		sleep(1);
		return $res;
	}