Inability to withdraw

I am requesting a withdrawal because I made a payment for insurance of my capital that reached $10,500. But that platform tells me that they are only going to return me $2000 but that I had to make a deposit of 250 to which I agreed. But right now it is just stories. They won't give them back to me, they're just ifs and buts and nothing, these are the proofs I have.

The following is the original recommendation

Incapacidad de retiro

Estoy solicitando un retiro porque hize un pago por seguro de mi capital que llegan a 10500$ pero esa plataforma me dice que me van a devolver solo 2000$ pero que tenia que hacer un deposito de 250 a lo cual accedi pero ahira solo son cuentos y no me los devuelven solo son peros y nada estas son las pruebas que tengo