Unable to get property sendmessage of undefined or null reference. Apr 20, 2020 Â...

Unable to get property sendmessage of undefined or null reference. Apr 20, 2020 · I am trying to integrate bot with webapp. You have tried to use a variable, property, or a method return value but it contains null or undefined - which means that there is no instance of a class in the variable. It is working fine with google chrome & firefox. assign polyfill by MDN. My app works correctly and I can navigate to all the pages, but after a random number of quick clicks between different links the error appears. event. Jun 14, 2014 · Uncaught TypeError: Cannot read property 'sendMessage' of null (anonymous function) h e. But user's data still exist at the form's fields. Feb 21, 2017 · See Angular2 IE11 Unable to get property 'apply' of undefined or null reference The fix, according to the link above, is to import the Object. Unable to get property 'c' of undefined or null reference.