Solution : https://service.sap.com/sap/support/notes/647328 (SAP Service marketplace login required)
Key words : 
method definitions -> display overview, newly created monitoring attribute, select method rspc_ccms_startup, data collection method, mte class bw_moncls_process_chains, waiting time pressing, invalidate data cache, ccms background dispatching, process chains runs, process chain start
Related Notes : 
       
| 700833 | Correction: PC deletion: "Invalid TID passed: Monitoring..." | 
| 645575 | CCMS: Processing long MTE names | 
| 644436 | Corr.: General deactivation not possible f. CCMS monitoring |