You can’t place a single order worth more than 95% of your free funds

[kali]

are you placing a limit order for more than 95% of your free funds? don’t forget about + stamp duty

This is not an error but a nuisance rule at the moment and it will be removed “soon” for limit orders.
See @David s comment here.

Misleading: Can't place order worth more than 95% of your free funds

@kali Will be corrected in the near future.