010717e1:3: client sscannot contain more than one set of same certificate/key type.

While configuring fallback (default) client profile for SNI virtual server i am getting error : 010717e1:3: client ssl profile (/common/fallback_profile): cannot contain more than one set of same certificate/key type. Due to this error not able to configure fallback profile if anyone have idea why this error is coming please help.

Many thanks