Can not delete a static table entry Command fail. Return code -61

Hi Everyone,

Installing policy from the Fortimanager to the Fortigate gives this weird message ...

Where to find this certificate in the Fortimanager, or how to delete the certificate from the Fortigate .. Appears to be a Wifi certificate (I am pretty sure Wi-Fi features are not in use on the fortigate where the policy is being pushed to ... )

<hostname> (ca) $  delete "Entrust_Root_Certification_Authority_-_G2"

Can not delete a static table entry

Command fail. Return code -61

<hostname> (ca) $  end

<hostname> $  end

---> generating verification report

( certificate ca )

            delete "Entrust_Root_Certification_Authority_-_G2"

( vpn certificate ca )

            delete "Entrust_Root_Certification_Authority_-_G2"

<--- done generating verification report

Any suggestions, most appreciated :)