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### Instruction:
TTY-6-FILE_OPER
### Response:
(Severity: 6), (Category: MGBL), (Description: The TTY Server has encountered an error while opening FPD lock file. Devc-conaux has no issue to run, but FPD warning message will not be printed on AUX port during FPD upgrade.), (Recommended Action: If the message recurs, 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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