The content presented by wordpress is inconsistent?

figure 1: edit mode

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2:

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see other people"s problems, but don"t say the solution.
https://wordpress.org/support.

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-64f5-1b313cc-2bd94.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b313cc-2bd94.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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