This RESOLVED the issue @George
[Desktop Entry]
Name=Wappler Beta
Comment=Wappler - The Visual Web and App Creator
GenericName=Web Editor
Exec="/usr/share/wappler-beta/Wappler Beta" %u --no-sandbox
Icon=wappler-beta
Type=Application
StartupNotify=true
Categories=GNOME;GTK;Utility;TextEditor;Development;
MimeType=x-scheme-handler/x-wappler-desktop-auth;
Name[en_US]=Wappler Beta
Many thanks!