collector can't register ()

collector can't register:

2018-10-09 19:10:42,098 +0000 [WrapperSimpleAppMain] ERROR com.sumologic.scala.collector.auth.CollectorRegistrationManager - [main] * Error while registering collector: CollectorErrorTriple(429,collectors.rate.limit.exceeded.auth,You have reached the limit of unsuccessful authentications. Please try again later.)}
2018-10-09 19:10:42,098 +0000 [WrapperSimpleAppMain] WARN com.sumologic.scala.collector.LocalStateManager - Initializing internal configuration directories. Reason: Failed registration
2018-10-09 19:10:42,099 +0000 [WrapperSimpleAppMain] ERROR com.sumologic.scala.collector.Collector - * ERROR: Registration failed: You have reached the limit of unsuccessful authentications. Please try again later. (error key: collectors.rate.limit.exceeded.auth)