What does the error "Maximum quantity per order for Equity is "XXXX" mean?

It means that the quantity (freeze quantity) above which the exchange does not accept orders for that stock

For Mobile:

Log in to your CubePlus Application. Open any stock and scroll right to find the “Security Information.” Look for the 2nd last piece of information, which is the “Freeze Quantity.”

For Web:

Log in to your CubePlus Web account. Search for any stock. Click on the stock and find the “Info” section. Look for the freeze quantity information of the instrument.

To know more, please connect with our support team by writing to us on help@tradejini.com