Did you install the first bug fix?
It can be found by clicking on the link in my signature which will take you to the release post for MOS v1.6.2.
Speaking of bug fixes, I have another one.
This fixes the invisible forts, incorrect building icons for some Rohan structures and the Orc rally button for Generals as well as the war horn sound associated with this button.
Download the file from the link below:
MOS v1.6.2 bug fix #2
1. Run the installer, modifying the destination path as required.
a. If you use the installer a DOS box will appear when exiting the installer.
b. Should you elect to install the bug fix to your desktop and then copy the files to the corresponding folders in your installation, be sure to run the autodelete.bat file included with this fix.
2. Wait for the batch file to complete and press any key when prompted to exit.
3. Run Cleaner.bat
This bug fix should be save game compatible.
I will also add this to the release post so it can be accessed in the future by clicking on the link in my signature.