replace f.custom1 with convert(varchar(500),f.custom1)
replace l.itemtext with convert(varchar(500),l.itemtext)
select
f.matteridstring,f.custom1,
Substring(l.itemtext, 12, 2) As "Year",
Left(f.custom1, CharIndex(' ', f.custom1)), Replace(Replace(f.custom1, Left(f.custom1, CharIndex(' '...