Error message — Tekla PowerFab Automated Event Failed: Backup failed: ..\Temp\Temporary\db_bak__.7z - Error creating backup file
Not version-specific
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The most probable common cause for this error is: the C:\ drive (on the server machine) does not have enough free space to create all the temp files for the backup.
To correct this, the C:\ drive will need have enough free space. Shoot for at least three times the MySQL data directory size free.