SAP Message S9212 - You cannot save a measurement run as a reference

Diagnosis
The measurement run just completed fails to meet one of the followingconditions, and can therefore not be saved as a reference run:
You must measure runtime, syntax check time, load size and memory use.
The number of individual measurements must not be less than the numberof values specified on the selection screen.
You must carry out all tests for the specified program.

Procedure
Repeat the test run, meeting the above conditions.
You will then be able to save the run as a reference test run.