Blizzard is aware of the bug involving the new Spawn Room AFK rule, unfortunately they don’t have a resolution ready to roll out yet. (I have been keeping tabs on this.)

Remember to swap heroes if necessary and utilize all of your possible spawn exits.

21 days ago - AndyB - Direct link

Hi there sonzai,

A fix should be going in for this issue with the next update.

My apologies that you experienced this.