EMarketNotAllowedReasonFlags

User accepted a wallet gift that was recently purchased

Disabled account

Limited account (no purchases)

Locked account

Wallet funds aren't tradable because the user has had no purchase activity in the last year or has had no purchases prior to last month

An invalid cookie was sent by the user

The user has recently funded his or her wallet with a new payment method

The user has recently funded his or her wallet with a new payment method that cannot be verified

Not only is the account not trusted, but they have no recent purchases at all

The user has recently forgotten their password and reset it

The user has recently refunded a store purchase by his or herself

The user doesn't have Steam Guard enabled

The user has Steam Guard, but it hasn't been enabled for the required number of days

A back-end call failed or something that might work again on retry

The account is banned from trading items

The user has Steam Guard, but is using a new computer or web browser