Error converting data type varchar to numeric dynamic pivot

Question

I am getting an error described in the title where my code looks like this:

declare
@cols numeric(10,0),
@sql numeric(10,0)

select @cols = isnull(@cols + \', \'         


        

Answer 1

You've declared @cols as numeric(10,0), but you're trying to assign text to it.
Probably need to declare it as nvarchar(max).

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P.s. by concatenating AmountPayd you're suppose to get a list of customers?