Create variable option is missing from design ribbon

In my design studio,under variables Create variable option is missing. can somebody please help me on this

i have uninstalled and reinstalled studio again. But no luck. Am using Studio-2019-12.0 version

Hi,

Create variable button on ribbon menu was removed in 2018 version. (At least, 2018.4 doesn’t already have it.) You can do it from variable panel.

Regards,