Please add Company, Key1, Key2, Key3, Key4 and Key5 in the BAQ. Updatable BAQ requires Primary keys whether its used or not. Check Extended Properties for those two fields. Key1 and Key2.
Yes thanks I have seen that afterwards and redid the BAQ which shows in my previous snippets, and still got the same messages… Output result of expression cannot be assigned to variable of String? type…
In the table, key1 and key5 are all having values. Key2, 3 and 4 have records without them.
I have written values of 1 in all of them and still getting the output mapping error for key1 and key2.
Thanks Haso, your post made me realize maybe I should turn around my query, where before OrderRel was my TopLevel. I changed it so UD14 is the top level and now it works. no more errors…