I am not able to upload data from source system to infocube

Hi Experts,

I am not able to upload data from source system to infocube

I have created source system , data source and data is loaded into PSA,

I have created Infocube, activated DTP still not able to see the data

when I am displaying Data in Infocube it throw a message "no message Exist"

Thanks in advance

Rebekah H