Error - There was an internal error while connecting to Battlenet. Please Try again later

Receive the following error when opening Heroes. No issues with any other games.

Error - There was an internal error while connecting to Battlenet. Please Try again later.

Error occurs regardless of region.
Attempted the following without success

  • Changing internet connection (hotspot)
  • Uninstalled and reinstalled game
  • Scan and repair
  • Restarting Battlenet, computer, etc.