undefined symbol: ffi_type_pointer, version LIBFFI_BASE_7.0 Error Message from cv_bridge.boost.cv_bridge_boost import getCvType ImportError: /usr/lib/x86_64-linux-gnu/libp11-kit.so.0: undefined symbol: ffi_type_pointer, version LIBFFI_BASE_7.0 Solution conda activate test_env

conda install libffi==3.3