hi Rishi,
CIM and CR version is
Model Version (sld/active): 1.6.36
SAP CR Content Version (sld/active): SAP_CR 9.7 (produced 08/28/2013)
but still facing same error (No such class: "sap_productsystemlandscapeproduct") in maintenance Optimizer.
but now System Preparation session is hang from last 30 minutes. please below image.
Regards,