Feild a not found showing when i am trying to create master calender

[Sra1bandi]

Min_Max:
Load
Min("Created Date") as MinDate,
Max("Created Date") as MaxDate
Resident TradeNameRequest;

Let vMinDate = num(Peek('MinDate',0,'Min_Max'));
Let vMaxDate = num(Peek('MaxDate',0,'Min_Max'));
Trace $(vMAxDate);
Drop Table Min_Max;

Dateranges:

Load
$(vMinDate) + IterNo()-1 as datenum,
Date($(vMinDate) + IterNo()-1) as Tempdate
AutoGenerate 1 while $(vMinDate) + IterNo()-1 <= $(vMaxDate);

MasterCalender:

Load
Tempdate as "Created Date",
Date(Tempdate) as Created_Date,
year(Tempdate) as Year,
'Q'&Ceil(Month(Tempdate)/3) as Quarter,
Month(Tempdate) as Month,
Day(Tempdate) as Day,
week(Tempdate) as week

Resident Dateranges Order by Tempdate asc ;

Drop Table Dateranges;

[Vegar]

Could it be that your Dateranges table never gets created?

Do get the expected output to the Dateranges table?