For doing tasks to get XP, you will need updated items. I am testing a bunch of items and hopefully will be available soon.
For backpacks, I don't see one linked to your current account. If you pick up and rez a fresh one that should work. Also, you can add items into it so they are then ready to rez out - just stand next to whatever product and use the 'New Stock' button. This puts a copy into the backpacks inventory. For the account login, will send you a PM.
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