Upgrade from R/3 46C to ERP6 EHP7 PARDIST_SHD Error

Hi All.

I have implemented the upgrade of the following.

   Upgrade Sorce:SAP R/3 46C

   Upgrade Target:ERP6 EHP7

   Use SUMversion:SUM10 SP11 Pach9

Phase MAIN_SHDRUN / PARDIST_SHD, error is displayed.

===== Error Message =====

4 EDA424 "Unidentifiable object" "RFCKEYSS" with deletion request (mode flag "D")

4 EDA431 A table called "RFCKEYSS" exists in the database

2EEDA300 No active nametab exists for "RFCKEYSS"

2EEDA432 Termination due to inconsistencies

2EEDA471 Result "RFCKEYSS": Action: "DNA" Mode flag: "R" Return code: "9"

===== Error Message =====

Have been carried out steps in the solutions Note1796238, 'Delete database table' for button is not enabled, can not be performed.

SupportPackage&Paches SAPKB46C66 that are described in the Note1792184 is can't be downloaded.

Because of this failure, I'm in trouble can not upgrade.

I want help.

Regards.

Jun