"Invalid account"? Is it a mock account? If it is a simulated account, it may be that the account given to you by the company has expired, or for other reasons. If it's no trouble? You can open your diary. One by one? . You can't see the transaction record without logging in. How to check the diary: Is there a diary in the terminal? Right click to open? Will open your trading diary? This diary is kept in your computer? And the bill is not kept by the computer. I hope it helps you.