The engine starts, passes in the board data, returns the result of the move is not empty

[jialaolian11]

Hello, Sir, I looked at my cpu and memory capacity, they have a lot of space, but my program passed in the chessboard data and access the engine, the engine returned the result of the move is empty, please tell me how to troubleshoot this problem

[ianfab]

Please describe the exact steps (ideally the UCI input you are providing), then I can try to help.

[jialaolian11]

uci
setoption name Skill Level value 5
position fen rnbkqbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBKQBNR w KQkq - 0 1
go depth 1

[jialaolian11]

This phenomenon is not necessary, in the occasional case will be the beginning of the game will be a continuous move for empty, or in the course of the move for empty

[jialaolian11]

Could you please tell how to troubleshoot this problem