on take profit , stop, lost and sell limit

 
  • I am very newin forex, in my order my t p was 1.9589 my s lost was1.9580 at price 1.9586 with sell limit but after clicking it shows invalid s/l or tp. can you enlight me on where i was wrong
 
Difference between price & SL was 6p and between price & TP was 3p. Probably broker doesn't allow so narrow differences (I think about TP's difference).