when I open the context menu by right clicking on a file and then choose an option of the 7zip menu, like 'add to archive', I am getting the error message: 'Cannot open mapping #7zMap25798:264:7zEvent12040'

If a am proceeding the same way in MS Windows Explorer everything works as excepted.
Windows 10 Enterprise, Version 21H2, FreeCommander XE 2023 Build 880 32-bit public, 7zip 21.07