IntegrityError: (1048, "Column 'extra' cannot be null")

[sentry]

Sentry Issue: WEBSITE-AA

IntegrityError: (1048, "Column 'extra' cannot be null")
  File "django/db/backends/utils.py", line 105, in _execute
    return self.cursor.execute(sql, params)
  File "django/db/backends/mysql/base.py", line 76, in execute
    return self.cursor.execute(query, args)
  File "MySQLdb/cursors.py", line 179, in execute
    res = self._query(mogrified_query)
  File "MySQLdb/cursors.py", line 330, in _query
    db.query(q)
  File "MySQLdb/connections.py", line 280, in query
    _mysql.connection.query(self, query)

IntegrityError: (1048, "Column 'extra' cannot be null")
(26 additional frame(s) were not displayed)
...
  File "weblate_web/invoices/models.py", line 371, in save
    super().save(

[github-actions]

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