My profit balance was cut and couldn’t withdraw

i get profit up to $15.700, but vanom only give me $3136 in to my wallet, they said its because i get in to bit coin while bitcoin has the wrong price but everyone thats lost in bitcoin was not refund, but all the profit i get was cut and also all my trading history was delete by the vanom fx broker. Please help regarding my issue i just want to take all my profit and balance