Can we use SNP without DP?

Hi

Client needs only SNP ,As sales projection(Forecast) is constant,planning to release forecast directly to infocube then to SNP Planning area without DP.kindly give me suggestion for th following queries

1)How can we release forecast to SNP with out using DP?

2)Iam trying to release forecast to SNP by loading from ECC to infocubes but when i load data from infocube to SNP Planning areas keyfigure forecast is not populated in keyfigure assigment

Thanks

Poorna