I have the following formula: {=IFERROR((INDEX(Details!$I$2:$I$3000,(MATCH(1,(Details!$B$2:$B$3000=A226)*(Details!$A$2:$A$3000="234411")*(Details!$D$2:$D$3000="b"),0)))),"")}
I need the phrase (Details!$D$2:$D$3000="b") to include "a" or "b". Is that possible?
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