VLookup or IFERROR

Try

=IFERROR(VLOOKUP(A2,Φύλλο1!$A$2:$C$262,2,0),"")

Try this. Paste in Cell B2 of sheet2 and copy down =IF(A2="","",IFERROR(VLOOKUP(A2,Φύλλο1!A:C,2,0),""))

hi, thanks for your reply but that doesn't seem to work.
In case i am wrong, where i should insert the above suggested formula?

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ok changed! sorry for the inconvenience!

to get back in my request, none of the above suggestion works...