6946acb6_on_Relational_Database_Service__Category
[Amazon RDS Event ID] RDS-EVENT-0035 [Description] The DB instance has invalid parameters. For example, MySQL could not start because a memory-related parameter is set too high for this instance class, so the customer action would be to modify the memory parameter and reboot the DB instance. [Category] 
Failure
Using Amazon RDS Event Notification - Amazon Relational Database Service
Category