Denyhosts mistakenly sealed IP, how can I unseal it?

denyhosts mistakenly sealed colleague IP, how do I unseal it?
I can"t add IP to the whitelist and delete this IP from hosts.deny.

Apr.16,2022

has resolved on its own.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b36f73-2c04a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36f73-2c04a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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