BW transport problem - hanging imports from target system


I am working on transports using transaction code STMS. I submitted the imports many hours ago and it seems that they are hanging or stopped. The Trucks are still in the column status. I do see some objects got imported but some did not.

How can I fix this and restart the import because the Trucks are there and I can't restart? Or how do I stop the imports or should I just let it continue? It has been hours now.

I think this is the Basis forum and posting correctly.