CAST or CONVERT: invalid attributes specified for type 'int'

This stored procedure was working on Sql Server 2000. However it is not working on Sql Server 2005.

How can i correct it?

The full error is :
Msg 291, Level 16, State 1, Procedure itemleri_bul, Line 32
CAST or CONVERT: invalid attributes specified for type 'int'

CREATE procedure itemleri_bul 
@StrUserID varchar(30)
AS
DECLARE
@length int, -- stritem uzunluu
@i int, -- item'in stritem deki yeri
@dwid int, 
@dur int,
@duar int,
@StackSize1 int,
@Sira int,
@Row int,
@name varchar(100),
@extname varchar(100),
@ext int
 
 
    set @i = 14*0+1
    set @length = 401
 
select @row=count(*) from userdata where struserid=@StrUserID
 
delete from itemler where struserid=@StrUserID
 
if @row>0 
  begin
 
WHILE @i < @length
Begin
 
Select @dwid=cast(cast(substring(cast(substring(strItem, @i,4) as varbinary(4)), 4, 
1)+substring(cast(substring(strItem, @i,4) as varbinary(4)), 3, 1)+substring(cast(substring(strItem, @i,4) as 
varbinary(4)), 2, 1)+substring(cast(substring(strItem, @i,4) as varbinary(4)), 1, 1) as varbinary(4)) as int(4)),
@dur = cast(cast(cast( substring(strItem, @i+5, 1) as varbinary(1))+cast(substring(strItem, @i+4, 1) as 
varbinary(1)) as varbinary(2)) as smallint),
@StackSize1 = cast(cast(cast( substring(strItem, @i+7, 1) as varbinary(1))+cast(substring(strItem, @i+6, 1) as 
varbinary(1)) as varbinary(2)) as smallint),
        @StrUserID = strUserID
        From UserData
        Where strUserID = @StrUserID
 
 
 
 
insert into itemler (dwid,stacksize,durability,struserid,sira,itembasicname,extname) 
values(@dwid,@stacksize1,@dur,@StrUserID,(@i-1) / 8,@extname,@name )
 
set @i=@i+8
 
end
end
 
GO

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