FMX-TMSFNCTypes not found

Hello I created an app in Delphi 11 with the latest TMS Version.
If I complie the project for iOS everything works fine.
as soon I select Android 64 bit and try to compile it for an emulator Delphi cancels the compilation and says "DCC Fatal error Unit FMX.TMSFNCTypes not found"
i do not understand it. I see the component (Colorpicker) and it words with windows and iOS but why is the unit not found for android?

Please check the library path and see if it points to the source directory.

worked. thanks