I am getting the below error when trying to add a new row to an 'Arrival' table in my app. It worked OK yesterday, but even now when I restore old version I still get it. I have checked over all parameters I think are relevant, but am struggling to u...

in a particular form I want a drop down menu of Airfields, pulled from an ‘Airfields’ table that includes index, name and LatLong columns. This bit is easy, however I want to sort the options in the dropdown menu in order of distance from current pos...

I need to cross reference entries between tables using Ref data type, as it allows me to relate the records between the tables and group them. What I need to do, but unable, is filter which records are to be presented. I have the following scenario, ...