Fair-Stockfish 14 in WinBoard: Illegal move "O-O" (rejected by first chess program)

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In Winboard pick New Variant ... CRC

Psste this position: br2q1kr1n/ppp3pppp/4pp3c/1n1p6/1Q3P4/1P1P4P1/PBP1P1PPCb/1RNB2KR1N b HBhb - 1 1

Set Fairy-Stockfish 14 to play White.

Try to castle manually by first clicking the King, and then the Rook.

I get this error:

Illegal move "O-O" (rejected by first chess program)

The same move tested in Cute Chess works fine.