My money opened an investment account for me years back, and 2 years ago she want to the bank to go check out how much money is in my investment account cause I was still under age, when she got there, they told her that there’s R250000 thousand in my inv

My money opened an investment account for me years back, and 2 years ago she want to the bank to go check out how much money is in my investment account cause I was still under age, when she got there, they told her that there’s R250000 thousand in my investment account. But when we recently when last month they told us that there’s no money in my account and that I have been making withdrawals and that time I didn’t even have access to the account. Can you please help me