Why is there no response to the query of workbench?

after entering the query statement, I kept turning and turning, but there was no response. Please see why
http://www.nbjinshi.com/bug.png. This is a screenshot. I couldn"t upload the screenshot, so I had to upload it to my server

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Mar.07,2021

just restart it

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-64f5-1b31608-2b508.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b31608-2b508.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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