A discussion regarding map compatibility issues in Heroes III: HotA. It covers how to enable multi-color player settings in the editor and troubleshooting map loading errors.
Maps
1,750
maps and campaigns
Have a map to share?
Adding a map to the Library is easy — just use the button on the right. It is not the only way: a map reaches the Library automatically as soon as a map file is attached to a forum post, which usually happens in a game’s "Maps" boards.