Hello, and thank you for your report regarding issues with upgrading your avatar and missing inventory items. This issue has been brought up in the past and is currently tracked. We understand how frustrating it can be to encounter such problems, and our team is aware of the situation. While we do not have an estimate for when this issue may be resolved, please keep an eye on future updates. We appreciate your input and hope you continue to share your experiences to help improve Second Life. Thank you!