Solution : https://service.sap.com/sap/support/notes/1801236 (SAP Service marketplace login required)
Key words : 
terms alert based session rating rules reason, scheduled alert based session, session report shows details, alert based session, goinglive verification session, temporary disorder resulted, verification-/earlywatch session, rating ins green, service data quality, red report rating
Related Notes : 
       
| 1793264 | |
| 1257308 | FAQ: Using EarlyWatch Alert |