Try this:
B1: =arrayformula(IF(A1:A="Handle","Title",VLOOKUP(INDEX(SPLIT(N1:N, "-"),,1),Title,2,false)))
I1: =arrayformula(IF(A1:A="Handle","Colour",VLOOKUP(INDEX(SPLIT(N1:N, "-"),,2),Colour,2,false)))
I added "false".
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