"TypeError: Cannot read property 'windowWidth' of undefined"

I found this error in the vue project. I can"t find the reason. Has anyone encountered this kind of error? I haven"t found it on the Internet.

Mar.13,2021
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-64f5-1e3e270-44783.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3e270-44783.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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