Problem cmake

my cmake block me and i dont no how to fix is the code root@beamngpourpote:~/BeamMP-Server# cmake . -DCMAKE_BUILD_TYPE=Release
– You can find build instructions and a list of dependencies in the README at GitHub - BeamMP/BeamMP-Server: Server for the multiplayer mod BeamMP for BeamNG.drive
CMake Error at CMakeLists.txt:13 (FetchContent_MakeAvailable):
Unknown CMake command “FetchContent_MakeAvailable”.

– Configuring incomplete, errors occurred!
how can i solve this problem