Exception in Google Apps Script with Library -

Exception in Google Apps Script with Library -

i have script in spreadsheet

class="lang-js prettyprint-override">function runme(){ var app = uiapp.createapplication() var hidden=app.createhidden('info','info') app.add(hidden) var buttonok = app.createbutton('ok'); var handler = app.createserverclickhandler('selok'); handler.addcallbackelement(hidden); buttonok.addclickhandler(handler); app.add(buttonok) spreadsheetapp.getui().showmodaldialog(app,'title') } function selok(e){ spreadsheetapp.getui().alert('ok') }

it working fine when include library script rising "error encountered..." when force ok button

google-apps-script