Getting an error

Getting an error

  
Hello all,

I am having an issue when I try and run a query to get data from a table and display it as an expression(Get available rooms. It is part of assignment A2.2. Create Detail Page to Book a Room.


What does your aggregate look like and what output or error message do you get (screenshots will help)?
Hello Joshua,

I managed to see where the issue was. I was not assigning values to those expressions, I sorted the issue out and now I am sorted, Thanks.