South Africa recently made the decision to pull out while England, Australia and New Zealand had also expressed concerns.
Although the tournament has been pencilled in for next autumn, Brown feels the busy international cricket calendar makes it 'highly unlikely' that it will go ahead at all.
"I don't know how they can possibly reschedule it because you have to have a window of opportunity for all the cricketing nations to be available to play at a given stage next year," he told BBC Radio 5Live.
"I would have thought it is highly unlikely to happen.
"Yes, there is a lot of cricket at the moment, it is an exciting time for cricket as well but to find time to play major tournaments when they have been cancelled for whatever reason I would think is nigh on impossible."



