Hello, please confirm whether you have used the investment password (observation password) to log in to MT4?
Viewing method: Select "Trade" in the bottom menu bar of MT4 and check the position order. If x is displayed at the end of the order, it means that you are currently using the investment password (observation password) to log in to the account
Please note that after using the investment password (observation password) to log in to the trading account, you can only view the positions held and transaction history, and you cannot perform any transaction operations on the account. Please use the correct transaction password to log in to your account for transactions. If you forget your password, please refer to What to do if you forget your MetaTrader account password?
Link: What to do if you forget your MetaTrader account password
