# 12-Mar-2026 — System-settings and Bookings: 2 fixes [#180](https://github.com/nbarrett/ngx-ramblers/issues/180)

## [build 520](https://github.com/nbarrett/ngx-ramblers/actions/runs/23028895903) — [commit 807602f](https://github.com/nbarrett/ngx-ramblers/commit/807602f93c53ce960a67ee0eeb204692be4d7612)

_____

- fix crash on missing groupCode
- guard missing footer.appDownloads to prevent crash on footer tab
- extract headerDefaults, externalSystemsDefaults, footerDefaults, appDownloadsDefaults for DRY config
- upgrade @annix/claude-swarm to 0.1.18 and pin version

### **bookings**: use shared array helper in booking migration