请帮检查公式错误

“=IF($A1010="","",ABS(SUMPRODUCT(($A$1010:$A$1309"")*(BC$1010:BC$1309-VLOOKUP($A1010,$A$1010:$BE$1309,55,0)"")*(BC$1010:BC$1309-VALUE(VLOOKUP($A1010,$A$1010:$BE$1309,55,0))

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