<!DOCTYPE html><html><head><link rel="shortcut icon" href="//ssl.gstatic.com/docs/script/images/favicon.ico"><title>Fout</title><style type="text/css" nonce="kJKT4uD07Zu0aUkGLItcaA">body {background-color: #fff; margin: 0; padding: 0;}.errorMessage {font-family: Arial,sans-serif; font-size: 12pt; font-weight: bold; line-height: 150%; padding-top: 25px;}</style></head><body style="margin:20px"><div><img alt="Google Apps Script" src="//ssl.gstatic.com/docs/script/images/logo.png"></div><div style="text-align:center;font-family:monospace;margin:50px auto 0;max-width:600px">TypeError: Cannot read properties of undefined (reading &#39;contents&#39;) (regel 4, bestand &#39;Code&#39;)</div></body></html>