Open ‘CloudAssert.WAP.Billing.AgentService.exe.config’ file located at ‘C:\ Program Files\ CloudAssertBilling\ CloudAssert. WAP. Billing. AgentService’ and compare it with the backup file of the same name (CloudAssert.WAP.Billing.AgentService.exe.config). Enable the job processors that are enable in the backup file. For example, UsageEventsProcessors, UsageExtensionProcessor, etc.