Make sure Edge browser is installed on Windows machine.
Confirm the installation on Reg Edit
Replace all files which has selectors in xaml files
<html title='Oracle Fusion Middleware Forms Services' />
to
<html app='msedge.exe' title='Oracle Fusion Middleware Forms Services' />
Below are the steps:
if(IsNothing(TransactionItem.SpecificContent("Middle_Initial")),"",TransactionItem.SpecificContent("Middle_Initial").ToString)