Most time people make the mistake of not including transaction fee on their transaction therefore you must have sent
BTC0.00268817 without including a transaction fee that means you still owe the forum some balance.
Click
Here to check the bitcoin balance you have left to pay then send just that amount (note transaction fee not included, you have to pay for the transaction fee yourself) or you can post your transaction ID to make it easier for the community to help you out by verifying if you sent the full amount or still owe some balance..
