Ncvlog: *E,DUPIDN (./clk_seq_item.sv,3|17): identifier 'clk_seq_item' previously declared [12.5(IEEE)]

In reply to dave_59:

Hi Dave,

i have tried using all the combinations…
but still did not work .

can u pls guide by providing what mistake did i do …
or what should be right way …

i am not able to progress , kindly help me across.
u can go through the above link only ,

Thanking in advance,
G.S