Encountered the same issue as of last night, after having no issues for months…
3/17/2021 11:08 PM Starting scheduled job “** MySQL DB” - “Full”. Server "". Account "SYSTEM@". App v.“12.5.0”.
3/17/2021 11:08 PM Connecting to: (5.7.25-0ubuntu0.16.04.2). 192.168...
3/17/2021 11:08 PM The backup folder “C:\Windows\TEMP\SYSTEM\Pranas.NET\SBF\backup” has “476.678GB” free space. The temporary folder “C:\Windows\TEMP\SYSTEM\PranasNET\SBF\45637967-4ce3-4add-ba30-cbb55251b45c\backup” has “476.678GB” free space.
3/17/2021 11:08 PM Backing up “192.168.*." databases with “mysqldump.exe: Ver 8.0.13 for Win64 on x86_64 (MySQL Community Server - GPL)”
3/17/2021 11:08 PM The maximum file size for destination “Google Drive: backup”: “4.768TB”.
3/17/2021 11:08 PM Failed to backup "” database with “Full” backup type: mysqldump: [Warning] Using a password on the command line interface can be insecure.
mysqldump: Can’t create/write to file ‘C:\Windows\TEMP\SYSTEM\PranasNET\SBF\backup**202103171908.sql’ (OS errno 2 - No such file or directory)
3/17/2021 11:08 PM Cleaning up backups of “MySQL DB" job.
3/17/2021 11:08 PM Job " MySQL DB” finished with “1” errors.
3/17/2021 11:08 PM Sending job log to @.com.
Since my subscription expired last week, I can’t update, so I just changed the Temporary folder location and was able to get it working.