| Problem | Solution | |---------|----------| | Portal shows “Access Denied” | Request “Manual Update” permission from Xizi Otis Admin | | Downloaded PDF is corrupted | Clear browser cache, download again using Ethernet (avoid WiFi) | | XOST app fails to refresh | Reboot handheld device; reinstall XOST if necessary | | New page numbers don’t align with binder | Contact support – possible misprint; request corrected insert |