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### Instruction:
SHELFMGR-3-UNEXPECTED_EVENT
### Response:
(Severity: 3), (Category: PLATFORM), (Description: This message indicates that the node received an unexpected/illegal pulse while running in specified state. Node should not undergo inappropriate action or state change on receiving such unexpected pulse.), (Recommended Action: Copy the error message exactly as it appears on the console or in the system log, call your Cisco technical support representative and provide the representative with the gathered information.)
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