I would like to ask the general industry page error rate is about what?

recently made a project online, through the onerro event, and then click, found that the page has about 0.05% of the error report, is this normal? What is the general error reporting rate in the industry?

Jun.14,2021

in fact, as long as the business process can be used, some errors that do not affect or can not be seen will not bother to deal with

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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-64f5-1e46128-44b89.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e46128-44b89.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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