I can't cancel or resume or complete the rebase operation on a stream. Everytime I resume rebase, it automatically checks out one particular file and mark it as reserve and generates an error "particular file can't be merge". If I check in the file again, it checks out automatically while I resume rebase. If I try to cancel it, then it says "you have checkin on your rebase integration activity and can't cancel the operation." Any idea how to cancel or complete this operation.