CPS 8.0 Upgrade on NW 7.31

Hello,

I am trying to install

ETPRJSCHEDULER33P_92-20007176.SCA 8.00.33.92

on a system which has ETPRJSCHEDULER 7.31.9.0 installed.

SUM won't let me upgrade to CPS 8.0:

Rejected due to following reason(s):

• 001 : Component sap.com/ETPRJSCHEDULER cannot be updated to higher release

• 005 : Component sap.com/ETPRJSCHEDULER is part of the following usage type: JOB-SCHED;

According to some OSS notes and the installation guide one should use JSPM but this is not supported anymore in NW 731.

How do I upgrade to CPS 8.0 now?

Regards

Andreas