This project is no longer developed. Consider using arclite from official Far Manager distribution instead.
This plugin requires 7z.dll. Either install 7-Zip or place 7z.dll into plugin directory. Another option is to use installer which includes 7z.dll. Check out plugin settings to ensure that 7z.dll is found and its version is correct (9.x is recommended).
Differences from original 7-Zip plugin: