deleting deluge jobs from web ui : select all the jobs and remove This action caused some error msg in terminal, like below: [ERROR ] 09:11:40 client:393 RPCError Message Received! -------------------------------------------------------------------------------- RPCRequest: core.get_torrent_status(0e...

I encountered this problem these days, and I figured something out.
This may be a little violent, but works well.
within '/usr/lib/pymodules/python2.6/deluge/ui/console/colors.py', change all the colors items to white and black, don't use other colors.