"Your backpack is set to private and our agents are not able to identify the items you offered. Please set both of your profile and inventory access permission to 'Public' on Steam.It may take up to a few minutes for this settings to take effect."

My profile is public and inventory is public, any ideas been trying last two days no luck.

Does your account have any temporary trade locks?

Also, are you trying to withdraw the gifts in your inventory?

Could you try to withdraw them one by one and see if it is an error for a certain item?