Werk #12939: Fix crash in virtual host tree if there are no tags
| Komponente | Checks & agents |
| Titel | Fix crash in virtual host tree if there are no tags |
| Datum | 11.10.2021 |
| Checkmk Edition | Checkmk Raw (CRE) |
| Checkmk-Version | 2.1.0b1 |
| Level | Kleine Änderung |
| Klasse | Bugfix |
| Kompatibilität | Kompatibel - benötigt kein manuelles Eingreifen |
When creating a virtual Host tree there was an AttributeError when no TAGS are set.
