Hi Faith,
Adding
Please recheck your whole data flow was in active or not. there might be some where may inactive/inconsistency. please recheck from starting and do the need full.
By using t code RSRV, you can do repairs for respective objects like IOBJ/DSO/Infocube.
You can activate info cube and transformations thru program
SE38 -RSDG_CUBE_ACTIVATE and
RSDG_TRFN_ACTIVATE
Pls refer below one which resembles issue.
http://scn.sap.com/thread/2052310
Thanks