Hi Muthu,
What these error messages are saying that comments of the MultiProvider or its data flow have not been successfully installed. Try installing tem and reactivate the MultiProvider
1. Aggregate 00OT4JA3NCV5WW311YEHXBWQY (D): Entry could not be read in tableRSDDAGGRCOMP
2. Aggregate BAVEINHCAG2YW56WMMTKP5TPC (D): Entry could not be read in tableRSDDAGGRCOMP
These aggregates have not been installed. Check the Basic InfoCube and activate. If not found, install from BI content..
3. IC=0DBDUNS_NUM IS=0DBDUNS_IMPORT_ATTR error when checking the update rules
Update and or install update rules for master data 0DBDUNS_IMPORT_ATTR
4. IC=0DBDUNS_NUM IS=0DBDUNS_APPENDIX_ATTR_1 error when checking the update rules
Update and or install update rules for master data 0DBDUNS_APPENDIX_ATTR_1
Please don't forget to record your final solution and to mark the question as answered.
Good luck,
John Hawk