In light of recent problems with use of search integration php codes, I figured I'd try a tedious workaround of simply creating a new 'store' integration for each keyword instead.

But the following error occurs every time when trying to "duplicate", or "copy settings from an existing store":

We are sorry but there was some problem while processing your request.

Administrators have been notified with the problem.

We apologize for the inconvenience, please try again..