| Sandbox passport shows UNKNOWN | Use passport option when creating sandbox resident |
| 403 error accessing SDK | IP not whitelisted — contact account manager |
| SDK buttons not working (Android) | Disable all screen overlays before launching |
| Token expired after 10 min | Normal — user must complete within 10 min, API access lasts 24 hrs |
| Rate limit exceeded | Limit is 25 QPS — implement request throttling |
| Account locked | Auto-unlocks after 2 hours, or request manual unlock |
| Non-resident passport for auth | Not allowed — must use UAEKYC-ID for Authorise flow |