After upgrading CA Performance Center, the attribute "CAPC_Item_ID" (0x13214) does not get populated for all models created in Spectrum since then. This makes a Spectrum -> CAPC Drilldown impossible.
A full Sync between CAPC and Spectrum does not solve the problem.
This does not affect the old models, but only newly created models.
CA Performance Center 2.3.4
Spectrum 9.3 to 10.0
A restart of Oneclick will resolve this problem.