import from microsoft to project--ppm

hello,I got a problem these days.when i import a MSP(*.mpp file) to my cProject ,I got a error message:

Enter an identification for the object

Tasks and checklists under project definition are not allowed

I have found some configurations from "service.sap.com" and checked it in SAP GUI,but i don not know which place need to be maintained ,I am a newbie of PPM , so please tell me the every step of the integration between Microsoft Project to PPM,thanks!