Function onReadyState Error: ptGridObj_win0.initGriddd854 is not a function

How to Fix onReadyState error caused by initGriddd854 function

1. Bounce and clear cache your app server and web server
2. Go in App Designer and open HTML > PT_GRIDSCRIPT (this is PS FIN 9.2, may be different for other streams)
3. Add a space at the end and save (seriously)
4. Clear cache from your browser and try again

If it works for you, please leave your tools and product version in the comments so it can be referenced by other devs. Thanks!