【GAS】Cloud StorageのOAuth認証時に「Google ドキュメント内でエラーが発生しました。このページを・・・」が出てくる

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/**
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 * @description 認証コールバック
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 * @return {null}
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*/
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function authCallback(request) {
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  let service = getStorageService(false);
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  let isAuthorized = service.handleCallback(request);
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  let statement = ``;
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  if (isAuthorized) {
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    console.log("Authorized!");
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    console.log(`authCallback: 111111111111111111111111111111111111111111111`);
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    statement = `<center>認証完了<br>タブを閉じてください。</center>`;
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  } else {
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    console.log("Not Authorized...");
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    console.log(`authCallback: 222222222222222222222222222222222222222222222`);
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    statement = `認証エラー<br>認証情報をお確かめください。`;
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  }
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  return HtmlService.createHtmlOutput(statement);
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}
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/**
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 * @description 認証用サービス取得
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 * @param {boolean} isInputting
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 * @return {}
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*/
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function getStorageService(isInputting) {
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  const keyClientId = KEY_CLIENT_ID_SCRIPT_PROPERTY;
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  const keyClientSecret = KEY_CLIENT_SECRET_SCRIPT_PROPERTY;
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  let cfg = getClientConfig(isInputting, keyClientId, keyClientSecret);
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  console.log(cfg);
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  console.log(`getStorageService: 111111111111111111111111111111111111111111111`);
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  if(cfg.clientId == null || cfg.clientSecret == null){
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    EXE_TYPE = "authentication";
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    const html = getHtmlOutput("index_html", "Authentication failed.")
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    SpreadsheetApp.getUi().showModelessDialog(html, "Authentication failed.", "<p>Because of the shotage of OAuth2.0 Client Information.</p>");
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    return null;
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  }
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  console.log(`getStorageService: 22222222222222222222222222222222222222222222`);
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  return OAuth2.createService("provisioning")
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  .setAuthorizationBaseUrl("https://accounts.google.com/o/oauth2/auth")
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  .setTokenUrl("https://accounts.google.com/o/oauth2/token")
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  .setClientId(cfg.clientId)
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  .setClientSecret(cfg.clientSecret)
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  .setCallbackFunction("authCallback")
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  .setPropertyStore(PropertiesService.getScriptProperties())
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  .setScope("https://www.googleapis.com/auth/devstorage.full_control")
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  .setParam("login_hint", Session.getActiveUser().getEmail())
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}