title: Is there any reliable alternative to ImportRange() in new google spreadsheets?
body: <p>I have importrange() from about 20 different sheets in my new google sheets.
  After some time the formula brakes, and shows "Error: Loading data... ", and it wouldn't work until I change anything in the parameters, i.e. changing "Sheet1!a3:Ag" to "Sheet1!a3:AG", then it works for a few days, and then brakes again with the same error. </p>
  
  <p>I've tried <code>myImportrange</code> custom function, like here <a href="https://stackoverflow.com/questions/13067811/using-the-myimportrange-custom-spreadsheet-function-typeerror-cannot-call-met">Using the myImportRange custom spreadsheet function - TypeError: Cannot call method &quot;split&quot; of undefined</a>
  But eventually received the same error.</p>