invalid parameters-appears .

 
when i try to close/open a position on android phone DEMO account ..all i get is invalid parameters.i shut down /reopened my 2 phones 9.30pm 10/04/23.is it a malfunction of mt5?? or what.checked setting..meanwhile,1K profit has gone to1.6K loss.Huhh! suddenly working.. just opened a sell position.
Documentation on MQL5: Python Integration / order_calc_margin
Documentation on MQL5: Python Integration / order_calc_margin
  • www.mql5.com
order_calc_margin - Python Integration - MQL5 Reference - Reference on algorithmic/automated trading language for MetaTrader 5