=+IF(VLOOKUP(F8,Issue!U:U,1,0)<>"#N/A","Done",
IF(VLOOKUP(Q8,Issue!P:P,1,0)<>"#N/A","Done",
IF(VLOOKUP(O8,Issue!R:R,1,0)<>"#N/A","Done","#N/A")))
Above formula has been used first branch of vlookup is wrong fine but failed to evaluate others.
"#N/A","Done", IF(VLOOKUP(O8,Issue!R:R,1,0)<>"#N/A","Done","#N/A"))) Abov" /> "#N/A","Done", IF(VLOOKUP(O8,Issue!R:R,1,0)<>"#N/A","Done","#N/A"))) Abov" /> "#N/A","Done", IF(VLOOKUP(O8,Issue!R:R,1,0)<>"#N/A","Done","#N/A"))) Abov"/>
=+IF(VLOOKUP(F8,Issue!U:U,1,0)<>"#N/A","Done",
IF(VLOOKUP(Q8,Issue!P:P,1,0)<>"#N/A","Done",
IF(VLOOKUP(O8,Issue!R:R,1,0)<>"#N/A","Done","#N/A")))
Above formula has been used first branch of vlookup is wrong fine but failed to evaluate others.
Please can you describe what you're trying to do as an output, and what your data format is?
If you're trying to match based on multiple criteria, try:
=Index(match(1,(Range1=Value1)*(Range2=Value2)*... ,0))entered with Ctrl+shift-enter