Npm run dev reported an error after starting the project, the problem after upgrading webpack4.0.

problems after upgrading webpack4.0,
TypeError: Cannot read property "vue" of undefined

ERROR in. / src/translog/index.vue
Module build failed (from. / node_modules/vue-loader/index.js):
TypeError: Cannot read property "vue" of undefined

I hope you can see what kind of problem this is, which has never been encountered before, nor has it been found out. Thank you

Apr.11,2021

upgrade vue-loader to the latest version npm install vue-loader@latest-- save-dev

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-64f5-1b3e0d2-2bc36.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3e0d2-2bc36.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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